Home / 998,036.29-1,377,288.72-568,316.41

Finding the Fourth Proportional to 998,036.29, 1,377,288.72 and 568,316.41

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Solution

The fourth proportional to 998,036.29, 1,377,288.72 and 568,316.41 is: 784,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,036.29 : 1,377,288.72 = 568,316.41 : x
  2. Step 2: Convert to fraction form
    998,036.29/1,377,288.72 = 568,316.41/x
  3. Step 3: Cross multiply
    998,036.29x = 1,377,288.72 × 568,316.41
  4. Step 4: Simplify right side
    998,036.29x = 782,735,780,883.90
  5. Step 5: Solve for x
    x = 782,735,780,883.90/998,036.29
  6. Step 6: Final answer
    x = 784,275.87

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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.