Home / 817,310.52-1,127,790.54-454,642.74

Finding the Fourth Proportional to 817,310.52, 1,127,790.54 and 454,642.74

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Solution

The fourth proportional to 817,310.52, 1,127,790.54 and 454,642.74 is: 627,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,310.52 : 1,127,790.54 = 454,642.74 : x
  2. Step 2: Convert to fraction form
    817,310.52/1,127,790.54 = 454,642.74/x
  3. Step 3: Cross multiply
    817,310.52x = 1,127,790.54 × 454,642.74
  4. Step 4: Simplify right side
    817,310.52x = 512,741,781,251.68
  5. Step 5: Solve for x
    x = 512,741,781,251.68/817,310.52
  6. Step 6: Final answer
    x = 627,352.48

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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.