Home / 979,200.97-1,469,219.41-553,056.73

Finding the Fourth Proportional to 979,200.97, 1,469,219.41 and 553,056.73

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Solution

The fourth proportional to 979,200.97, 1,469,219.41 and 553,056.73 is: 829,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,200.97 : 1,469,219.41 = 553,056.73 : x
  2. Step 2: Convert to fraction form
    979,200.97/1,469,219.41 = 553,056.73/x
  3. Step 3: Cross multiply
    979,200.97x = 1,469,219.41 × 553,056.73
  4. Step 4: Simplify right side
    979,200.97x = 812,561,679,565.40
  5. Step 5: Solve for x
    x = 812,561,679,565.40/979,200.97
  6. Step 6: Final answer
    x = 829,821.16

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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.