Home / 484,914.13-727,370.72-129,918.47

Finding the Fourth Proportional to 484,914.13, 727,370.72 and 129,918.47

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Solution

The fourth proportional to 484,914.13, 727,370.72 and 129,918.47 is: 194,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,914.13 : 727,370.72 = 129,918.47 : x
  2. Step 2: Convert to fraction form
    484,914.13/727,370.72 = 129,918.47/x
  3. Step 3: Cross multiply
    484,914.13x = 727,370.72 × 129,918.47
  4. Step 4: Simplify right side
    484,914.13x = 94,498,887,265.95
  5. Step 5: Solve for x
    x = 94,498,887,265.95/484,914.13
  6. Step 6: Final answer
    x = 194,877.57

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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.