Home / 452,390.76-677,552.28-215,899.50

Finding the Fourth Proportional to 452,390.76, 677,552.28 and 215,899.50

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Solution

The fourth proportional to 452,390.76, 677,552.28 and 215,899.50 is: 323,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,390.76 : 677,552.28 = 215,899.50 : x
  2. Step 2: Convert to fraction form
    452,390.76/677,552.28 = 215,899.50/x
  3. Step 3: Cross multiply
    452,390.76x = 677,552.28 × 215,899.50
  4. Step 4: Simplify right side
    452,390.76x = 146,283,198,475.86
  5. Step 5: Solve for x
    x = 146,283,198,475.86/452,390.76
  6. Step 6: Final answer
    x = 323,355.85

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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.