Home / 683,722.30-1,025,583.45-329,428.30

Finding the Fourth Proportional to 683,722.30, 1,025,583.45 and 329,428.30

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Solution

The fourth proportional to 683,722.30, 1,025,583.45 and 329,428.30 is: 494,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,722.30 : 1,025,583.45 = 329,428.30 : x
  2. Step 2: Convert to fraction form
    683,722.30/1,025,583.45 = 329,428.30/x
  3. Step 3: Cross multiply
    683,722.30x = 1,025,583.45 × 329,428.30
  4. Step 4: Simplify right side
    683,722.30x = 337,856,212,441.64
  5. Step 5: Solve for x
    x = 337,856,212,441.64/683,722.30
  6. Step 6: Final answer
    x = 494,142.45

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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.