Home / 979,875.18-1,469,065.19-447,023.57

Finding the Fourth Proportional to 979,875.18, 1,469,065.19 and 447,023.57

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Solution

The fourth proportional to 979,875.18, 1,469,065.19 and 447,023.57 is: 670,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,875.18 : 1,469,065.19 = 447,023.57 : x
  2. Step 2: Convert to fraction form
    979,875.18/1,469,065.19 = 447,023.57/x
  3. Step 3: Cross multiply
    979,875.18x = 1,469,065.19 × 447,023.57
  4. Step 4: Simplify right side
    979,875.18x = 656,706,756,216.09
  5. Step 5: Solve for x
    x = 656,706,756,216.09/979,875.18
  6. Step 6: Final answer
    x = 670,194.30

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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.