Home / 887,553.60-1,331,330.40-739,931.10

Finding the Fourth Proportional to 887,553.60, 1,331,330.40 and 739,931.10

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Solution

The fourth proportional to 887,553.60, 1,331,330.40 and 739,931.10 is: 1,109,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,553.60 : 1,331,330.40 = 739,931.10 : x
  2. Step 2: Convert to fraction form
    887,553.60/1,331,330.40 = 739,931.10/x
  3. Step 3: Cross multiply
    887,553.60x = 1,331,330.40 × 739,931.10
  4. Step 4: Simplify right side
    887,553.60x = 985,092,767,335.44
  5. Step 5: Solve for x
    x = 985,092,767,335.44/887,553.60
  6. Step 6: Final answer
    x = 1,109,896.65

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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.