Home / 708,959.76-1,063,439.64-288,137.04

Finding the Fourth Proportional to 708,959.76, 1,063,439.64 and 288,137.04

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Solution

The fourth proportional to 708,959.76, 1,063,439.64 and 288,137.04 is: 432,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,959.76 : 1,063,439.64 = 288,137.04 : x
  2. Step 2: Convert to fraction form
    708,959.76/1,063,439.64 = 288,137.04/x
  3. Step 3: Cross multiply
    708,959.76x = 1,063,439.64 × 288,137.04
  4. Step 4: Simplify right side
    708,959.76x = 306,416,350,088.27
  5. Step 5: Solve for x
    x = 306,416,350,088.27/708,959.76
  6. Step 6: Final answer
    x = 432,205.56

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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.