Home / 708,711.41-1,063,565.27-640,952.69

Finding the Fourth Proportional to 708,711.41, 1,063,565.27 and 640,952.69

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Solution

The fourth proportional to 708,711.41, 1,063,565.27 and 640,952.69 is: 961,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,711.41 : 1,063,565.27 = 640,952.69 : x
  2. Step 2: Convert to fraction form
    708,711.41/1,063,565.27 = 640,952.69/x
  3. Step 3: Cross multiply
    708,711.41x = 1,063,565.27 × 640,952.69
  4. Step 4: Simplify right side
    708,711.41x = 681,695,012,274.49
  5. Step 5: Solve for x
    x = 681,695,012,274.49/708,711.41
  6. Step 6: Final answer
    x = 961,879.56

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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.