Home / 703,451.90-1,055,177.85-330,203.90

Finding the Fourth Proportional to 703,451.90, 1,055,177.85 and 330,203.90

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Solution

The fourth proportional to 703,451.90, 1,055,177.85 and 330,203.90 is: 495,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,451.90 : 1,055,177.85 = 330,203.90 : x
  2. Step 2: Convert to fraction form
    703,451.90/1,055,177.85 = 330,203.90/x
  3. Step 3: Cross multiply
    703,451.90x = 1,055,177.85 × 330,203.90
  4. Step 4: Simplify right side
    703,451.90x = 348,423,841,263.62
  5. Step 5: Solve for x
    x = 348,423,841,263.62/703,451.90
  6. Step 6: Final answer
    x = 495,305.85

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Similar ratio
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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.