Home / 979,488.20-1,469,232.30-662,227.40

Finding the Fourth Proportional to 979,488.20, 1,469,232.30 and 662,227.40

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Solution

The fourth proportional to 979,488.20, 1,469,232.30 and 662,227.40 is: 993,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,488.20 : 1,469,232.30 = 662,227.40 : x
  2. Step 2: Convert to fraction form
    979,488.20/1,469,232.30 = 662,227.40/x
  3. Step 3: Cross multiply
    979,488.20x = 1,469,232.30 × 662,227.40
  4. Step 4: Simplify right side
    979,488.20x = 972,965,886,025.02
  5. Step 5: Solve for x
    x = 972,965,886,025.02/979,488.20
  6. Step 6: Final answer
    x = 993,341.10

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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.