Home / 798,981.28-1,198,476.42-266,500.84

Finding the Fourth Proportional to 798,981.28, 1,198,476.42 and 266,500.84

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Solution

The fourth proportional to 798,981.28, 1,198,476.42 and 266,500.84 is: 399,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,981.28 : 1,198,476.42 = 266,500.84 : x
  2. Step 2: Convert to fraction form
    798,981.28/1,198,476.42 = 266,500.84/x
  3. Step 3: Cross multiply
    798,981.28x = 1,198,476.42 × 266,500.84
  4. Step 4: Simplify right side
    798,981.28x = 319,394,972,650.19
  5. Step 5: Solve for x
    x = 319,394,972,650.19/798,981.28
  6. Step 6: Final answer
    x = 399,752.76

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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.