Home / 502,921.07-694,037.87-288,060.92

Finding the Fourth Proportional to 502,921.07, 694,037.87 and 288,060.92

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Solution

The fourth proportional to 502,921.07, 694,037.87 and 288,060.92 is: 397,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,921.07 : 694,037.87 = 288,060.92 : x
  2. Step 2: Convert to fraction form
    502,921.07/694,037.87 = 288,060.92/x
  3. Step 3: Cross multiply
    502,921.07x = 694,037.87 × 288,060.92
  4. Step 4: Simplify right side
    502,921.07x = 199,925,182,436.55
  5. Step 5: Solve for x
    x = 199,925,182,436.55/502,921.07
  6. Step 6: Final answer
    x = 397,527.95

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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.