Home / 502,347.18-693,239.76-272,904.66

Finding the Fourth Proportional to 502,347.18, 693,239.76 and 272,904.66

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Solution

The fourth proportional to 502,347.18, 693,239.76 and 272,904.66 is: 376,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,347.18 : 693,239.76 = 272,904.66 : x
  2. Step 2: Convert to fraction form
    502,347.18/693,239.76 = 272,904.66/x
  3. Step 3: Cross multiply
    502,347.18x = 693,239.76 × 272,904.66
  4. Step 4: Simplify right side
    502,347.18x = 189,188,361,001.28
  5. Step 5: Solve for x
    x = 189,188,361,001.28/502,347.18
  6. Step 6: Final answer
    x = 376,608.78

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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.