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Finding the Fourth Proportional to 502,082.24, 753,123.90 and 352,989.32

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Solution

The fourth proportional to 502,082.24, 753,123.90 and 352,989.32 is: 529,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,082.24 : 753,123.90 = 352,989.32 : x
  2. Step 2: Convert to fraction form
    502,082.24/753,123.90 = 352,989.32/x
  3. Step 3: Cross multiply
    502,082.24x = 753,123.90 × 352,989.32
  4. Step 4: Simplify right side
    502,082.24x = 265,844,693,336.75
  5. Step 5: Solve for x
    x = 265,844,693,336.75/502,082.24
  6. Step 6: Final answer
    x = 529,484.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.