Home / 881,446.60-1,321,248.30-481,472.20

Finding the Fourth Proportional to 881,446.60, 1,321,248.30 and 481,472.20

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Solution

The fourth proportional to 881,446.60, 1,321,248.30 and 481,472.20 is: 721,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,446.60 : 1,321,248.30 = 481,472.20 : x
  2. Step 2: Convert to fraction form
    881,446.60/1,321,248.30 = 481,472.20/x
  3. Step 3: Cross multiply
    881,446.60x = 1,321,248.30 × 481,472.20
  4. Step 4: Simplify right side
    881,446.60x = 636,144,325,747.26
  5. Step 5: Solve for x
    x = 636,144,325,747.26/881,446.60
  6. Step 6: Final answer
    x = 721,704.89

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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.