Home / 484,511.56-726,920.03-228,333.76

Finding the Fourth Proportional to 484,511.56, 726,920.03 and 228,333.76

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Solution

The fourth proportional to 484,511.56, 726,920.03 and 228,333.76 is: 342,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,511.56 : 726,920.03 = 228,333.76 : x
  2. Step 2: Convert to fraction form
    484,511.56/726,920.03 = 228,333.76/x
  3. Step 3: Cross multiply
    484,511.56x = 726,920.03 × 228,333.76
  4. Step 4: Simplify right side
    484,511.56x = 165,980,382,422.75
  5. Step 5: Solve for x
    x = 165,980,382,422.75/484,511.56
  6. Step 6: Final answer
    x = 342,572.60

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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.