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Finding the Fourth Proportional to 572,956.80, 859,435.20 and 332,824.20

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Solution

The fourth proportional to 572,956.80, 859,435.20 and 332,824.20 is: 499,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,956.80 : 859,435.20 = 332,824.20 : x
  2. Step 2: Convert to fraction form
    572,956.80/859,435.20 = 332,824.20/x
  3. Step 3: Cross multiply
    572,956.80x = 859,435.20 × 332,824.20
  4. Step 4: Simplify right side
    572,956.80x = 286,040,832,891.84
  5. Step 5: Solve for x
    x = 286,040,832,891.84/572,956.80
  6. Step 6: Final answer
    x = 499,236.30

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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.