Home / 887,815.38-1,224,380.89-581,780.61

Finding the Fourth Proportional to 887,815.38, 1,224,380.89 and 581,780.61

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Solution

The fourth proportional to 887,815.38, 1,224,380.89 and 581,780.61 is: 802,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,815.38 : 1,224,380.89 = 581,780.61 : x
  2. Step 2: Convert to fraction form
    887,815.38/1,224,380.89 = 581,780.61/x
  3. Step 3: Cross multiply
    887,815.38x = 1,224,380.89 × 581,780.61
  4. Step 4: Simplify right side
    887,815.38x = 712,321,061,056.54
  5. Step 5: Solve for x
    x = 712,321,061,056.54/887,815.38
  6. Step 6: Final answer
    x = 802,330.17

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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.