Home / 994,290.30-1,491,435.45-329,442.30

Finding the Fourth Proportional to 994,290.30, 1,491,435.45 and 329,442.30

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Solution

The fourth proportional to 994,290.30, 1,491,435.45 and 329,442.30 is: 494,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,290.30 : 1,491,435.45 = 329,442.30 : x
  2. Step 2: Convert to fraction form
    994,290.30/1,491,435.45 = 329,442.30/x
  3. Step 3: Cross multiply
    994,290.30x = 1,491,435.45 × 329,442.30
  4. Step 4: Simplify right side
    994,290.30x = 491,341,924,949.54
  5. Step 5: Solve for x
    x = 491,341,924,949.54/994,290.30
  6. Step 6: Final answer
    x = 494,163.45

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Half scale
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Double scale
Find fourth proportional to 994,291.30, 1,491,436.95 and 329,443.30
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.