Home / 747,308.50-1,031,752.29-479,503.06

Finding the Fourth Proportional to 747,308.50, 1,031,752.29 and 479,503.06

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Solution

The fourth proportional to 747,308.50, 1,031,752.29 and 479,503.06 is: 662,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,308.50 : 1,031,752.29 = 479,503.06 : x
  2. Step 2: Convert to fraction form
    747,308.50/1,031,752.29 = 479,503.06/x
  3. Step 3: Cross multiply
    747,308.50x = 1,031,752.29 × 479,503.06
  4. Step 4: Simplify right side
    747,308.50x = 494,728,380,217.01
  5. Step 5: Solve for x
    x = 494,728,380,217.01/747,308.50
  6. Step 6: Final answer
    x = 662,013.59

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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.