Home / 785,134.12-1,177,701.70-252,655.04

Finding the Fourth Proportional to 785,134.12, 1,177,701.70 and 252,655.04

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Solution

The fourth proportional to 785,134.12, 1,177,701.70 and 252,655.04 is: 378,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,134.12 : 1,177,701.70 = 252,655.04 : x
  2. Step 2: Convert to fraction form
    785,134.12/1,177,701.70 = 252,655.04/x
  3. Step 3: Cross multiply
    785,134.12x = 1,177,701.70 × 252,655.04
  4. Step 4: Simplify right side
    785,134.12x = 297,552,270,121.57
  5. Step 5: Solve for x
    x = 297,552,270,121.57/785,134.12
  6. Step 6: Final answer
    x = 378,982.73

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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.