Home / 731,214.30-1,096,821.45-615,740.70

Finding the Fourth Proportional to 731,214.30, 1,096,821.45 and 615,740.70

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Solution

The fourth proportional to 731,214.30, 1,096,821.45 and 615,740.70 is: 923,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,214.30 : 1,096,821.45 = 615,740.70 : x
  2. Step 2: Convert to fraction form
    731,214.30/1,096,821.45 = 615,740.70/x
  3. Step 3: Cross multiply
    731,214.30x = 1,096,821.45 × 615,740.70
  4. Step 4: Simplify right side
    731,214.30x = 675,357,607,398.02
  5. Step 5: Solve for x
    x = 675,357,607,398.02/731,214.30
  6. Step 6: Final answer
    x = 923,611.05

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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.