Home / 998,000.12-1,377,253.31-568,281.96

Finding the Fourth Proportional to 998,000.12, 1,377,253.31 and 568,281.96

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Solution

The fourth proportional to 998,000.12, 1,377,253.31 and 568,281.96 is: 784,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,000.12 : 1,377,253.31 = 568,281.96 : x
  2. Step 2: Convert to fraction form
    998,000.12/1,377,253.31 = 568,281.96/x
  3. Step 3: Cross multiply
    998,000.12x = 1,377,253.31 × 568,281.96
  4. Step 4: Simplify right side
    998,000.12x = 782,668,207,581.88
  5. Step 5: Solve for x
    x = 782,668,207,581.88/998,000.12
  6. Step 6: Final answer
    x = 784,236.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.