Home / 756,129.94-1,134,194.92-223,609.50

Finding the Fourth Proportional to 756,129.94, 1,134,194.92 and 223,609.50

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Solution

The fourth proportional to 756,129.94, 1,134,194.92 and 223,609.50 is: 335,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,129.94 : 1,134,194.92 = 223,609.50 : x
  2. Step 2: Convert to fraction form
    756,129.94/1,134,194.92 = 223,609.50/x
  3. Step 3: Cross multiply
    756,129.94x = 1,134,194.92 × 223,609.50
  4. Step 4: Simplify right side
    756,129.94x = 253,616,758,963.74
  5. Step 5: Solve for x
    x = 253,616,758,963.74/756,129.94
  6. Step 6: Final answer
    x = 335,414.25

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Double scale
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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.