Home / 502,221.90-693,071.31-272,781.41

Finding the Fourth Proportional to 502,221.90, 693,071.31 and 272,781.41

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Solution

The fourth proportional to 502,221.90, 693,071.31 and 272,781.41 is: 376,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,221.90 : 693,071.31 = 272,781.41 : x
  2. Step 2: Convert to fraction form
    502,221.90/693,071.31 = 272,781.41/x
  3. Step 3: Cross multiply
    502,221.90x = 693,071.31 × 272,781.41
  4. Step 4: Simplify right side
    502,221.90x = 189,056,965,706.99
  5. Step 5: Solve for x
    x = 189,056,965,706.99/502,221.90
  6. Step 6: Final answer
    x = 376,441.10

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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.