Home / 479,810.78-719,717.08-124,824.22

Finding the Fourth Proportional to 479,810.78, 719,717.08 and 124,824.22

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Solution

The fourth proportional to 479,810.78, 719,717.08 and 124,824.22 is: 187,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,810.78 : 719,717.08 = 124,824.22 : x
  2. Step 2: Convert to fraction form
    479,810.78/719,717.08 = 124,824.22/x
  3. Step 3: Cross multiply
    479,810.78x = 719,717.08 × 124,824.22
  4. Step 4: Simplify right side
    479,810.78x = 89,838,123,131.68
  5. Step 5: Solve for x
    x = 89,838,123,131.68/479,810.78
  6. Step 6: Final answer
    x = 187,236.57

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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.