Home / 479,010.38-718,515.56-268,664.72

Finding the Fourth Proportional to 479,010.38, 718,515.56 and 268,664.72

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Solution

The fourth proportional to 479,010.38, 718,515.56 and 268,664.72 is: 402,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,010.38 : 718,515.56 = 268,664.72 : x
  2. Step 2: Convert to fraction form
    479,010.38/718,515.56 = 268,664.72/x
  3. Step 3: Cross multiply
    479,010.38x = 718,515.56 × 268,664.72
  4. Step 4: Simplify right side
    479,010.38x = 193,039,778,822.13
  5. Step 5: Solve for x
    x = 193,039,778,822.13/479,010.38
  6. Step 6: Final answer
    x = 402,997.07

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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.