Home / 782,998.40-1,176,247.20-762,003.20

Finding the Fourth Proportional to 782,998.40, 1,176,247.20 and 762,003.20

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Solution

The fourth proportional to 782,998.40, 1,176,247.20 and 762,003.20 is: 1,144,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,998.40 : 1,176,247.20 = 762,003.20 : x
  2. Step 2: Convert to fraction form
    782,998.40/1,176,247.20 = 762,003.20/x
  3. Step 3: Cross multiply
    782,998.40x = 1,176,247.20 × 762,003.20
  4. Step 4: Simplify right side
    782,998.40x = 896,304,130,391.04
  5. Step 5: Solve for x
    x = 896,304,130,391.04/782,998.40
  6. Step 6: Final answer
    x = 1,144,707.49

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1.5x scale

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.