Home / 487,406.24-730,827.92-150,356.40

Finding the Fourth Proportional to 487,406.24, 730,827.92 and 150,356.40

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Solution

The fourth proportional to 487,406.24, 730,827.92 and 150,356.40 is: 225,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,406.24 : 730,827.92 = 150,356.40 : x
  2. Step 2: Convert to fraction form
    487,406.24/730,827.92 = 150,356.40/x
  3. Step 3: Cross multiply
    487,406.24x = 730,827.92 × 150,356.40
  4. Step 4: Simplify right side
    487,406.24x = 109,884,655,070.69
  5. Step 5: Solve for x
    x = 109,884,655,070.69/487,406.24
  6. Step 6: Final answer
    x = 225,447.78

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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.