Home / 979,877.18-1,469,068.18-447,025.56

Finding the Fourth Proportional to 979,877.18, 1,469,068.18 and 447,025.56

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Solution

The fourth proportional to 979,877.18, 1,469,068.18 and 447,025.56 is: 670,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,877.18 : 1,469,068.18 = 447,025.56 : x
  2. Step 2: Convert to fraction form
    979,877.18/1,469,068.18 = 447,025.56/x
  3. Step 3: Cross multiply
    979,877.18x = 1,469,068.18 × 447,025.56
  4. Step 4: Simplify right side
    979,877.18x = 656,711,025,842.68
  5. Step 5: Solve for x
    x = 656,711,025,842.68/979,877.18
  6. Step 6: Final answer
    x = 670,197.29

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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.