Home / 502,516.44-693,191.97-308,789.55

Finding the Fourth Proportional to 502,516.44, 693,191.97 and 308,789.55

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Solution

The fourth proportional to 502,516.44, 693,191.97 and 308,789.55 is: 425,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,516.44 : 693,191.97 = 308,789.55 : x
  2. Step 2: Convert to fraction form
    502,516.44/693,191.97 = 308,789.55/x
  3. Step 3: Cross multiply
    502,516.44x = 693,191.97 × 308,789.55
  4. Step 4: Simplify right side
    502,516.44x = 214,050,436,479.91
  5. Step 5: Solve for x
    x = 214,050,436,479.91/502,516.44
  6. Step 6: Final answer
    x = 425,957.08

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1.5x scale

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.