Home / 479,835.86-719,755.82-124,824.25

Finding the Fourth Proportional to 479,835.86, 719,755.82 and 124,824.25

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Solution

The fourth proportional to 479,835.86, 719,755.82 and 124,824.25 is: 187,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,835.86 : 719,755.82 = 124,824.25 : x
  2. Step 2: Convert to fraction form
    479,835.86/719,755.82 = 124,824.25/x
  3. Step 3: Cross multiply
    479,835.86x = 719,755.82 × 124,824.25
  4. Step 4: Simplify right side
    479,835.86x = 89,842,980,414.64
  5. Step 5: Solve for x
    x = 89,842,980,414.64/479,835.86
  6. Step 6: Final answer
    x = 187,236.90

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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.