Home / 502,462.20-752,138.10-291,473.40

Finding the Fourth Proportional to 502,462.20, 752,138.10 and 291,473.40

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Solution

The fourth proportional to 502,462.20, 752,138.10 and 291,473.40 is: 436,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,462.20 : 752,138.10 = 291,473.40 : x
  2. Step 2: Convert to fraction form
    502,462.20/752,138.10 = 291,473.40/x
  3. Step 3: Cross multiply
    502,462.20x = 752,138.10 × 291,473.40
  4. Step 4: Simplify right side
    502,462.20x = 219,228,249,276.54
  5. Step 5: Solve for x
    x = 219,228,249,276.54/502,462.20
  6. Step 6: Final answer
    x = 436,307.94

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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.