Home / 998,368.68-1,377,589.50-568,657.20

Finding the Fourth Proportional to 998,368.68, 1,377,589.50 and 568,657.20

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Solution

The fourth proportional to 998,368.68, 1,377,589.50 and 568,657.20 is: 784,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,368.68 : 1,377,589.50 = 568,657.20 : x
  2. Step 2: Convert to fraction form
    998,368.68/1,377,589.50 = 568,657.20/x
  3. Step 3: Cross multiply
    998,368.68x = 1,377,589.50 × 568,657.20
  4. Step 4: Simplify right side
    998,368.68x = 783,376,187,819.40
  5. Step 5: Solve for x
    x = 783,376,187,819.40/998,368.68
  6. Step 6: Final answer
    x = 784,656.21

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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.