Home / 522,529.05-721,146.48-296,150.25

Finding the Fourth Proportional to 522,529.05, 721,146.48 and 296,150.25

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Solution

The fourth proportional to 522,529.05, 721,146.48 and 296,150.25 is: 408,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,529.05 : 721,146.48 = 296,150.25 : x
  2. Step 2: Convert to fraction form
    522,529.05/721,146.48 = 296,150.25/x
  3. Step 3: Cross multiply
    522,529.05x = 721,146.48 × 296,150.25
  4. Step 4: Simplify right side
    522,529.05x = 213,567,710,338.62
  5. Step 5: Solve for x
    x = 213,567,710,338.62/522,529.05
  6. Step 6: Final answer
    x = 408,719.31

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.