Home / 481,844.52-722,701.17-126,828.81

Finding the Fourth Proportional to 481,844.52, 722,701.17 and 126,828.81

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Solution

The fourth proportional to 481,844.52, 722,701.17 and 126,828.81 is: 190,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,844.52 : 722,701.17 = 126,828.81 : x
  2. Step 2: Convert to fraction form
    481,844.52/722,701.17 = 126,828.81/x
  3. Step 3: Cross multiply
    481,844.52x = 722,701.17 × 126,828.81
  4. Step 4: Simplify right side
    481,844.52x = 91,659,329,376.71
  5. Step 5: Solve for x
    x = 91,659,329,376.71/481,844.52
  6. Step 6: Final answer
    x = 190,225.95

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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.