Home / 994,098.80-1,491,148.20-320,178.80

Finding the Fourth Proportional to 994,098.80, 1,491,148.20 and 320,178.80

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Solution

The fourth proportional to 994,098.80, 1,491,148.20 and 320,178.80 is: 480,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,098.80 : 1,491,148.20 = 320,178.80 : x
  2. Step 2: Convert to fraction form
    994,098.80/1,491,148.20 = 320,178.80/x
  3. Step 3: Cross multiply
    994,098.80x = 1,491,148.20 × 320,178.80
  4. Step 4: Simplify right side
    994,098.80x = 477,434,041,298.16
  5. Step 5: Solve for x
    x = 477,434,041,298.16/994,098.80
  6. Step 6: Final answer
    x = 480,268.20

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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.