Home / 731,679.90-1,097,519.85-310,901.10

Finding the Fourth Proportional to 731,679.90, 1,097,519.85 and 310,901.10

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Solution

The fourth proportional to 731,679.90, 1,097,519.85 and 310,901.10 is: 466,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,679.90 : 1,097,519.85 = 310,901.10 : x
  2. Step 2: Convert to fraction form
    731,679.90/1,097,519.85 = 310,901.10/x
  3. Step 3: Cross multiply
    731,679.90x = 1,097,519.85 × 310,901.10
  4. Step 4: Simplify right side
    731,679.90x = 341,220,128,636.84
  5. Step 5: Solve for x
    x = 341,220,128,636.84/731,679.90
  6. Step 6: Final answer
    x = 466,351.65

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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.