Home / 900,635.12-1,351,046.96-293,470.60

Finding the Fourth Proportional to 900,635.12, 1,351,046.96 and 293,470.60

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Solution

The fourth proportional to 900,635.12, 1,351,046.96 and 293,470.60 is: 440,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,635.12 : 1,351,046.96 = 293,470.60 : x
  2. Step 2: Convert to fraction form
    900,635.12/1,351,046.96 = 293,470.60/x
  3. Step 3: Cross multiply
    900,635.12x = 1,351,046.96 × 293,470.60
  4. Step 4: Simplify right side
    900,635.12x = 396,492,561,979.38
  5. Step 5: Solve for x
    x = 396,492,561,979.38/900,635.12
  6. Step 6: Final answer
    x = 440,236.62

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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.