Home / 571,349.55-856,286.20-271,921.92

Finding the Fourth Proportional to 571,349.55, 856,286.20 and 271,921.92

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Solution

The fourth proportional to 571,349.55, 856,286.20 and 271,921.92 is: 407,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,349.55 : 856,286.20 = 271,921.92 : x
  2. Step 2: Convert to fraction form
    571,349.55/856,286.20 = 271,921.92/x
  3. Step 3: Cross multiply
    571,349.55x = 856,286.20 × 271,921.92
  4. Step 4: Simplify right side
    571,349.55x = 232,842,987,573.50
  5. Step 5: Solve for x
    x = 232,842,987,573.50/571,349.55
  6. Step 6: Final answer
    x = 407,531.58

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Double scale
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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.