Home / 994,101.80-1,491,152.70-320,181.80

Finding the Fourth Proportional to 994,101.80, 1,491,152.70 and 320,181.80

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Solution

The fourth proportional to 994,101.80, 1,491,152.70 and 320,181.80 is: 480,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,101.80 : 1,491,152.70 = 320,181.80 : x
  2. Step 2: Convert to fraction form
    994,101.80/1,491,152.70 = 320,181.80/x
  3. Step 3: Cross multiply
    994,101.80x = 1,491,152.70 × 320,181.80
  4. Step 4: Simplify right side
    994,101.80x = 477,439,955,560.86
  5. Step 5: Solve for x
    x = 477,439,955,560.86/994,101.80
  6. Step 6: Final answer
    x = 480,272.70

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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.