Home / 798,494.60-1,198,082.10-419,706.20

Finding the Fourth Proportional to 798,494.60, 1,198,082.10 and 419,706.20

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Solution

The fourth proportional to 798,494.60, 1,198,082.10 and 419,706.20 is: 629,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,494.60 : 1,198,082.10 = 419,706.20 : x
  2. Step 2: Convert to fraction form
    798,494.60/1,198,082.10 = 419,706.20/x
  3. Step 3: Cross multiply
    798,494.60x = 1,198,082.10 × 419,706.20
  4. Step 4: Simplify right side
    798,494.60x = 502,842,485,479.02
  5. Step 5: Solve for x
    x = 502,842,485,479.02/798,494.60
  6. Step 6: Final answer
    x = 629,738.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.