Home / 492,258.30-738,387.45-281,723.10

Finding the Fourth Proportional to 492,258.30, 738,387.45 and 281,723.10

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Solution

The fourth proportional to 492,258.30, 738,387.45 and 281,723.10 is: 422,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,258.30 : 738,387.45 = 281,723.10 : x
  2. Step 2: Convert to fraction form
    492,258.30/738,387.45 = 281,723.10/x
  3. Step 3: Cross multiply
    492,258.30x = 738,387.45 × 281,723.10
  4. Step 4: Simplify right side
    492,258.30x = 208,020,801,415.10
  5. Step 5: Solve for x
    x = 208,020,801,415.10/492,258.30
  6. Step 6: Final answer
    x = 422,584.65

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Similar ratio
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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.