Home / 727,706.83-1,091,757.18-412,385.17

Finding the Fourth Proportional to 727,706.83, 1,091,757.18 and 412,385.17

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Solution

The fourth proportional to 727,706.83, 1,091,757.18 and 412,385.17 is: 618,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,706.83 : 1,091,757.18 = 412,385.17 : x
  2. Step 2: Convert to fraction form
    727,706.83/1,091,757.18 = 412,385.17/x
  3. Step 3: Cross multiply
    727,706.83x = 1,091,757.18 × 412,385.17
  4. Step 4: Simplify right side
    727,706.83x = 450,224,470,273.02
  5. Step 5: Solve for x
    x = 450,224,470,273.02/727,706.83
  6. Step 6: Final answer
    x = 618,689.36

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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.