Home / 482,718.30-724,077.45-127,768.20

Finding the Fourth Proportional to 482,718.30, 724,077.45 and 127,768.20

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Solution

The fourth proportional to 482,718.30, 724,077.45 and 127,768.20 is: 191,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,718.30 : 724,077.45 = 127,768.20 : x
  2. Step 2: Convert to fraction form
    482,718.30/724,077.45 = 127,768.20/x
  3. Step 3: Cross multiply
    482,718.30x = 724,077.45 × 127,768.20
  4. Step 4: Simplify right side
    482,718.30x = 92,514,072,447.09
  5. Step 5: Solve for x
    x = 92,514,072,447.09/482,718.30
  6. Step 6: Final answer
    x = 191,652.30

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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.