Home / 987,139.24-1,362,246-534,427

Finding the Fourth Proportional to 987,139.24, 1,362,246 and 534,427

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Solution

The fourth proportional to 987,139.24, 1,362,246 and 534,427 is: 737,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,139.24 : 1,362,246 = 534,427 : x
  2. Step 2: Convert to fraction form
    987,139.24/1,362,246 = 534,427/x
  3. Step 3: Cross multiply
    987,139.24x = 1,362,246 × 534,427
  4. Step 4: Simplify right side
    987,139.24x = 728,021,043,042
  5. Step 5: Solve for x
    x = 728,021,043,042/987,139.24
  6. Step 6: Final answer
    x = 737,505.93

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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.