Home / 817,067.47-1,127,568.87-477,732.55

Finding the Fourth Proportional to 817,067.47, 1,127,568.87 and 477,732.55

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Solution

The fourth proportional to 817,067.47, 1,127,568.87 and 477,732.55 is: 659,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,067.47 : 1,127,568.87 = 477,732.55 : x
  2. Step 2: Convert to fraction form
    817,067.47/1,127,568.87 = 477,732.55/x
  3. Step 3: Cross multiply
    817,067.47x = 1,127,568.87 × 477,732.55
  4. Step 4: Simplify right side
    817,067.47x = 538,676,351,565.72
  5. Step 5: Solve for x
    x = 538,676,351,565.72/817,067.47
  6. Step 6: Final answer
    x = 659,280.13

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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.