Home / 708,960.76-1,063,441.14-288,138.04

Finding the Fourth Proportional to 708,960.76, 1,063,441.14 and 288,138.04

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Solution

The fourth proportional to 708,960.76, 1,063,441.14 and 288,138.04 is: 432,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,960.76 : 1,063,441.14 = 288,138.04 : x
  2. Step 2: Convert to fraction form
    708,960.76/1,063,441.14 = 288,138.04/x
  3. Step 3: Cross multiply
    708,960.76x = 1,063,441.14 × 288,138.04
  4. Step 4: Simplify right side
    708,960.76x = 306,417,845,734.97
  5. Step 5: Solve for x
    x = 306,417,845,734.97/708,960.76
  6. Step 6: Final answer
    x = 432,207.06

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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.