Home / 726,780.08-1,002,387.48-472,214

Finding the Fourth Proportional to 726,780.08, 1,002,387.48 and 472,214

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Solution

The fourth proportional to 726,780.08, 1,002,387.48 and 472,214 is: 651,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,780.08 : 1,002,387.48 = 472,214 : x
  2. Step 2: Convert to fraction form
    726,780.08/1,002,387.48 = 472,214/x
  3. Step 3: Cross multiply
    726,780.08x = 1,002,387.48 × 472,214
  4. Step 4: Simplify right side
    726,780.08x = 473,341,401,480.72
  5. Step 5: Solve for x
    x = 473,341,401,480.72/726,780.08
  6. Step 6: Final answer
    x = 651,285.60

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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.