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Finding the Fourth Proportional to 711,548.80, 982,229.51 and 482,419.92

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Solution

The fourth proportional to 711,548.80, 982,229.51 and 482,419.92 is: 665,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,548.80 : 982,229.51 = 482,419.92 : x
  2. Step 2: Convert to fraction form
    711,548.80/982,229.51 = 482,419.92/x
  3. Step 3: Cross multiply
    711,548.80x = 982,229.51 × 482,419.92
  4. Step 4: Simplify right side
    711,548.80x = 473,847,081,635.84
  5. Step 5: Solve for x
    x = 473,847,081,635.84/711,548.80
  6. Step 6: Final answer
    x = 665,937.57

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1.5x scale

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.