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Finding the Fourth Proportional to 508,793.97, 762,478.14 and 382,353.39

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Solution

The fourth proportional to 508,793.97, 762,478.14 and 382,353.39 is: 572,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,793.97 : 762,478.14 = 382,353.39 : x
  2. Step 2: Convert to fraction form
    508,793.97/762,478.14 = 382,353.39/x
  3. Step 3: Cross multiply
    508,793.97x = 762,478.14 × 382,353.39
  4. Step 4: Simplify right side
    508,793.97x = 291,536,101,629.90
  5. Step 5: Solve for x
    x = 291,536,101,629.90/508,793.97
  6. Step 6: Final answer
    x = 572,994.41

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1.5x scale

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.