Home / 479,811.27-719,717.82-124,824.72

Finding the Fourth Proportional to 479,811.27, 719,717.82 and 124,824.72

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Solution

The fourth proportional to 479,811.27, 719,717.82 and 124,824.72 is: 187,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,811.27 : 719,717.82 = 124,824.72 : x
  2. Step 2: Convert to fraction form
    479,811.27/719,717.82 = 124,824.72/x
  3. Step 3: Cross multiply
    479,811.27x = 719,717.82 × 124,824.72
  4. Step 4: Simplify right side
    479,811.27x = 89,838,575,360.51
  5. Step 5: Solve for x
    x = 89,838,575,360.51/479,811.27
  6. Step 6: Final answer
    x = 187,237.32

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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.