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Finding the Fourth Proportional to 502,138.63, 753,206.46 and 413,207.11

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Solution

The fourth proportional to 502,138.63, 753,206.46 and 413,207.11 is: 619,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,138.63 : 753,206.46 = 413,207.11 : x
  2. Step 2: Convert to fraction form
    502,138.63/753,206.46 = 413,207.11/x
  3. Step 3: Cross multiply
    502,138.63x = 753,206.46 × 413,207.11
  4. Step 4: Simplify right side
    502,138.63x = 311,230,264,569.93
  5. Step 5: Solve for x
    x = 311,230,264,569.93/502,138.63
  6. Step 6: Final answer
    x = 619,809.44

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Similar ratio
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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.