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Finding the Fourth Proportional to 659,562.40, 986,233.20 and 491,600.80

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Solution

The fourth proportional to 659,562.40, 986,233.20 and 491,600.80 is: 735,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,562.40 : 986,233.20 = 491,600.80 : x
  2. Step 2: Convert to fraction form
    659,562.40/986,233.20 = 491,600.80/x
  3. Step 3: Cross multiply
    659,562.40x = 986,233.20 × 491,600.80
  4. Step 4: Simplify right side
    659,562.40x = 484,833,030,106.56
  5. Step 5: Solve for x
    x = 484,833,030,106.56/659,562.40
  6. Step 6: Final answer
    x = 735,082.88

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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.