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Finding the Fourth Proportional to 502,685.56, 693,191.82 and 332,857.72

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Solution

The fourth proportional to 502,685.56, 693,191.82 and 332,857.72 is: 459,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,685.56 : 693,191.82 = 332,857.72 : x
  2. Step 2: Convert to fraction form
    502,685.56/693,191.82 = 332,857.72/x
  3. Step 3: Cross multiply
    502,685.56x = 693,191.82 × 332,857.72
  4. Step 4: Simplify right side
    502,685.56x = 230,734,248,727.85
  5. Step 5: Solve for x
    x = 230,734,248,727.85/502,685.56
  6. Step 6: Final answer
    x = 459,003.14

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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.