Home / 979,679.04-1,469,534.13-372,476.61

Finding the Fourth Proportional to 979,679.04, 1,469,534.13 and 372,476.61

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Solution

The fourth proportional to 979,679.04, 1,469,534.13 and 372,476.61 is: 558,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,679.04 : 1,469,534.13 = 372,476.61 : x
  2. Step 2: Convert to fraction form
    979,679.04/1,469,534.13 = 372,476.61/x
  3. Step 3: Cross multiply
    979,679.04x = 1,469,534.13 × 372,476.61
  4. Step 4: Simplify right side
    979,679.04x = 547,367,083,674.03
  5. Step 5: Solve for x
    x = 547,367,083,674.03/979,679.04
  6. Step 6: Final answer
    x = 558,720.83

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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.