Home / 708,688.20-1,063,032.30-288,265.80

Finding the Fourth Proportional to 708,688.20, 1,063,032.30 and 288,265.80

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Solution

The fourth proportional to 708,688.20, 1,063,032.30 and 288,265.80 is: 432,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,688.20 : 1,063,032.30 = 288,265.80 : x
  2. Step 2: Convert to fraction form
    708,688.20/1,063,032.30 = 288,265.80/x
  3. Step 3: Cross multiply
    708,688.20x = 1,063,032.30 × 288,265.80
  4. Step 4: Simplify right side
    708,688.20x = 306,435,856,385.34
  5. Step 5: Solve for x
    x = 306,435,856,385.34/708,688.20
  6. Step 6: Final answer
    x = 432,398.70

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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.