Home / 764,289.48-1,146,436.98-231,815.16

Finding the Fourth Proportional to 764,289.48, 1,146,436.98 and 231,815.16

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Solution

The fourth proportional to 764,289.48, 1,146,436.98 and 231,815.16 is: 347,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,289.48 : 1,146,436.98 = 231,815.16 : x
  2. Step 2: Convert to fraction form
    764,289.48/1,146,436.98 = 231,815.16/x
  3. Step 3: Cross multiply
    764,289.48x = 1,146,436.98 × 231,815.16
  4. Step 4: Simplify right side
    764,289.48x = 265,761,471,948.62
  5. Step 5: Solve for x
    x = 265,761,471,948.62/764,289.48
  6. Step 6: Final answer
    x = 347,723.58

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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.