Home / 885,697.40-1,328,546.10-220,849.40

Finding the Fourth Proportional to 885,697.40, 1,328,546.10 and 220,849.40

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Solution

The fourth proportional to 885,697.40, 1,328,546.10 and 220,849.40 is: 331,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,697.40 : 1,328,546.10 = 220,849.40 : x
  2. Step 2: Convert to fraction form
    885,697.40/1,328,546.10 = 220,849.40/x
  3. Step 3: Cross multiply
    885,697.40x = 1,328,546.10 × 220,849.40
  4. Step 4: Simplify right side
    885,697.40x = 293,408,609,057.34
  5. Step 5: Solve for x
    x = 293,408,609,057.34/885,697.40
  6. Step 6: Final answer
    x = 331,274.10

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.