Home / 979,489.20-1,469,233.80-662,228.40

Finding the Fourth Proportional to 979,489.20, 1,469,233.80 and 662,228.40

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Solution

The fourth proportional to 979,489.20, 1,469,233.80 and 662,228.40 is: 993,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,489.20 : 1,469,233.80 = 662,228.40 : x
  2. Step 2: Convert to fraction form
    979,489.20/1,469,233.80 = 662,228.40/x
  3. Step 3: Cross multiply
    979,489.20x = 1,469,233.80 × 662,228.40
  4. Step 4: Simplify right side
    979,489.20x = 972,968,348,599.92
  5. Step 5: Solve for x
    x = 972,968,348,599.92/979,489.20
  6. Step 6: Final answer
    x = 993,342.60

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Similar ratio
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1.5x scale

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.