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Finding the Fourth Proportional to 502,664.10, 753,996.15 and 447,551.70

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Solution

The fourth proportional to 502,664.10, 753,996.15 and 447,551.70 is: 671,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,664.10 : 753,996.15 = 447,551.70 : x
  2. Step 2: Convert to fraction form
    502,664.10/753,996.15 = 447,551.70/x
  3. Step 3: Cross multiply
    502,664.10x = 753,996.15 × 447,551.70
  4. Step 4: Simplify right side
    502,664.10x = 337,452,258,725.96
  5. Step 5: Solve for x
    x = 337,452,258,725.96/502,664.10
  6. Step 6: Final answer
    x = 671,327.55

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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.