Home / 502,378.56-693,295.17-272,933.55

Finding the Fourth Proportional to 502,378.56, 693,295.17 and 272,933.55

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Solution

The fourth proportional to 502,378.56, 693,295.17 and 272,933.55 is: 376,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,378.56 : 693,295.17 = 272,933.55 : x
  2. Step 2: Convert to fraction form
    502,378.56/693,295.17 = 272,933.55/x
  3. Step 3: Cross multiply
    502,378.56x = 693,295.17 × 272,933.55
  4. Step 4: Simplify right side
    502,378.56x = 189,223,511,945.95
  5. Step 5: Solve for x
    x = 189,223,511,945.95/502,378.56
  6. Step 6: Final answer
    x = 376,655.23

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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.