Home / 721,884.30-1,082,826.45-658,898.70

Finding the Fourth Proportional to 721,884.30, 1,082,826.45 and 658,898.70

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Solution

The fourth proportional to 721,884.30, 1,082,826.45 and 658,898.70 is: 988,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,884.30 : 1,082,826.45 = 658,898.70 : x
  2. Step 2: Convert to fraction form
    721,884.30/1,082,826.45 = 658,898.70/x
  3. Step 3: Cross multiply
    721,884.30x = 1,082,826.45 × 658,898.70
  4. Step 4: Simplify right side
    721,884.30x = 713,472,940,230.62
  5. Step 5: Solve for x
    x = 713,472,940,230.62/721,884.30
  6. Step 6: Final answer
    x = 988,348.05

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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.