Home / 998,302.68-1,377,902.61-568,836.63

Finding the Fourth Proportional to 998,302.68, 1,377,902.61 and 568,836.63

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Solution

The fourth proportional to 998,302.68, 1,377,902.61 and 568,836.63 is: 785,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,302.68 : 1,377,902.61 = 568,836.63 : x
  2. Step 2: Convert to fraction form
    998,302.68/1,377,902.61 = 568,836.63/x
  3. Step 3: Cross multiply
    998,302.68x = 1,377,902.61 × 568,836.63
  4. Step 4: Simplify right side
    998,302.68x = 783,801,477,140.60
  5. Step 5: Solve for x
    x = 783,801,477,140.60/998,302.68
  6. Step 6: Final answer
    x = 785,134.10

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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.