Home / 683,445.70-1,025,168.55-483,991.30

Finding the Fourth Proportional to 683,445.70, 1,025,168.55 and 483,991.30

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Solution

The fourth proportional to 683,445.70, 1,025,168.55 and 483,991.30 is: 725,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,445.70 : 1,025,168.55 = 483,991.30 : x
  2. Step 2: Convert to fraction form
    683,445.70/1,025,168.55 = 483,991.30/x
  3. Step 3: Cross multiply
    683,445.70x = 1,025,168.55 × 483,991.30
  4. Step 4: Simplify right side
    683,445.70x = 496,172,659,233.62
  5. Step 5: Solve for x
    x = 496,172,659,233.62/683,445.70
  6. Step 6: Final answer
    x = 725,986.95

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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.