Home / 998,035.40-1,377,370.50-568,450.28

Finding the Fourth Proportional to 998,035.40, 1,377,370.50 and 568,450.28

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Solution

The fourth proportional to 998,035.40, 1,377,370.50 and 568,450.28 is: 784,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,035.40 : 1,377,370.50 = 568,450.28 : x
  2. Step 2: Convert to fraction form
    998,035.40/1,377,370.50 = 568,450.28/x
  3. Step 3: Cross multiply
    998,035.40x = 1,377,370.50 × 568,450.28
  4. Step 4: Simplify right side
    998,035.40x = 782,966,646,388.74
  5. Step 5: Solve for x
    x = 782,966,646,388.74/998,035.40
  6. Step 6: Final answer
    x = 784,507.89

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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.