Home / 994,006.80-1,491,010.20-329,158.80

Finding the Fourth Proportional to 994,006.80, 1,491,010.20 and 329,158.80

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Solution

The fourth proportional to 994,006.80, 1,491,010.20 and 329,158.80 is: 493,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,006.80 : 1,491,010.20 = 329,158.80 : x
  2. Step 2: Convert to fraction form
    994,006.80/1,491,010.20 = 329,158.80/x
  3. Step 3: Cross multiply
    994,006.80x = 1,491,010.20 × 329,158.80
  4. Step 4: Simplify right side
    994,006.80x = 490,779,128,219.76
  5. Step 5: Solve for x
    x = 490,779,128,219.76/994,006.80
  6. Step 6: Final answer
    x = 493,738.20

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Double scale
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Similar ratio
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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.