Home / 927,128.68-1,388,201.38-588,335.04

Finding the Fourth Proportional to 927,128.68, 1,388,201.38 and 588,335.04

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Solution

The fourth proportional to 927,128.68, 1,388,201.38 and 588,335.04 is: 880,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,128.68 : 1,388,201.38 = 588,335.04 : x
  2. Step 2: Convert to fraction form
    927,128.68/1,388,201.38 = 588,335.04/x
  3. Step 3: Cross multiply
    927,128.68x = 1,388,201.38 × 588,335.04
  4. Step 4: Simplify right side
    927,128.68x = 816,727,511,224.27
  5. Step 5: Solve for x
    x = 816,727,511,224.27/927,128.68
  6. Step 6: Final answer
    x = 880,921.42

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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.