Home / 994,003.80-1,491,005.70-329,155.80

Finding the Fourth Proportional to 994,003.80, 1,491,005.70 and 329,155.80

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Solution

The fourth proportional to 994,003.80, 1,491,005.70 and 329,155.80 is: 493,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,003.80 : 1,491,005.70 = 329,155.80 : x
  2. Step 2: Convert to fraction form
    994,003.80/1,491,005.70 = 329,155.80/x
  3. Step 3: Cross multiply
    994,003.80x = 1,491,005.70 × 329,155.80
  4. Step 4: Simplify right side
    994,003.80x = 490,773,173,988.06
  5. Step 5: Solve for x
    x = 490,773,173,988.06/994,003.80
  6. Step 6: Final answer
    x = 493,733.70

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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.