Home / 994,415.70-1,491,623.55-329,567.70

Finding the Fourth Proportional to 994,415.70, 1,491,623.55 and 329,567.70

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Solution

The fourth proportional to 994,415.70, 1,491,623.55 and 329,567.70 is: 494,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,415.70 : 1,491,623.55 = 329,567.70 : x
  2. Step 2: Convert to fraction form
    994,415.70/1,491,623.55 = 329,567.70/x
  3. Step 3: Cross multiply
    994,415.70x = 1,491,623.55 × 329,567.70
  4. Step 4: Simplify right side
    994,415.70x = 491,590,942,639.34
  5. Step 5: Solve for x
    x = 491,590,942,639.34/994,415.70
  6. Step 6: Final answer
    x = 494,351.55

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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.