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Finding the Fourth Proportional to 637,294.40, 880,254.24 and 467,259.20

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Solution

The fourth proportional to 637,294.40, 880,254.24 and 467,259.20 is: 645,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,294.40 : 880,254.24 = 467,259.20 : x
  2. Step 2: Convert to fraction form
    637,294.40/880,254.24 = 467,259.20/x
  3. Step 3: Cross multiply
    637,294.40x = 880,254.24 × 467,259.20
  4. Step 4: Simplify right side
    637,294.40x = 411,306,891,979.01
  5. Step 5: Solve for x
    x = 411,306,891,979.01/637,294.40
  6. Step 6: Final answer
    x = 645,395.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.