Home / 708,931.20-1,063,597.68-288,508.80

Finding the Fourth Proportional to 708,931.20, 1,063,597.68 and 288,508.80

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Solution

The fourth proportional to 708,931.20, 1,063,597.68 and 288,508.80 is: 432,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,931.20 : 1,063,597.68 = 288,508.80 : x
  2. Step 2: Convert to fraction form
    708,931.20/1,063,597.68 = 288,508.80/x
  3. Step 3: Cross multiply
    708,931.20x = 1,063,597.68 × 288,508.80
  4. Step 4: Simplify right side
    708,931.20x = 306,857,290,339.58
  5. Step 5: Solve for x
    x = 306,857,290,339.58/708,931.20
  6. Step 6: Final answer
    x = 432,844.95

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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.