Home / 558,420.10-837,630.16-333,844.76

Finding the Fourth Proportional to 558,420.10, 837,630.16 and 333,844.76

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Solution

The fourth proportional to 558,420.10, 837,630.16 and 333,844.76 is: 500,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,420.10 : 837,630.16 = 333,844.76 : x
  2. Step 2: Convert to fraction form
    558,420.10/837,630.16 = 333,844.76/x
  3. Step 3: Cross multiply
    558,420.10x = 837,630.16 × 333,844.76
  4. Step 4: Simplify right side
    558,420.10x = 279,638,440,993.43
  5. Step 5: Solve for x
    x = 279,638,440,993.43/558,420.10
  6. Step 6: Final answer
    x = 500,767.15

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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.