Home / 798,799.42-1,198,209.73-266,320.62

Finding the Fourth Proportional to 798,799.42, 1,198,209.73 and 266,320.62

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Solution

The fourth proportional to 798,799.42, 1,198,209.73 and 266,320.62 is: 399,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,799.42 : 1,198,209.73 = 266,320.62 : x
  2. Step 2: Convert to fraction form
    798,799.42/1,198,209.73 = 266,320.62/x
  3. Step 3: Cross multiply
    798,799.42x = 1,198,209.73 × 266,320.62
  4. Step 4: Simplify right side
    798,799.42x = 319,107,957,517.83
  5. Step 5: Solve for x
    x = 319,107,957,517.83/798,799.42
  6. Step 6: Final answer
    x = 399,484.46

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1.5x scale

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.