Home / 591,712.60-887,568.90-379,136.20

Finding the Fourth Proportional to 591,712.60, 887,568.90 and 379,136.20

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Solution

The fourth proportional to 591,712.60, 887,568.90 and 379,136.20 is: 568,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,712.60 : 887,568.90 = 379,136.20 : x
  2. Step 2: Convert to fraction form
    591,712.60/887,568.90 = 379,136.20/x
  3. Step 3: Cross multiply
    591,712.60x = 887,568.90 × 379,136.20
  4. Step 4: Simplify right side
    591,712.60x = 336,509,499,984.18
  5. Step 5: Solve for x
    x = 336,509,499,984.18/591,712.60
  6. Step 6: Final answer
    x = 568,704.30

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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.