Home / 741,773.40-1,112,660.10-404,683.80

Finding the Fourth Proportional to 741,773.40, 1,112,660.10 and 404,683.80

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Solution

The fourth proportional to 741,773.40, 1,112,660.10 and 404,683.80 is: 607,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,773.40 : 1,112,660.10 = 404,683.80 : x
  2. Step 2: Convert to fraction form
    741,773.40/1,112,660.10 = 404,683.80/x
  3. Step 3: Cross multiply
    741,773.40x = 1,112,660.10 × 404,683.80
  4. Step 4: Simplify right side
    741,773.40x = 450,275,517,376.38
  5. Step 5: Solve for x
    x = 450,275,517,376.38/741,773.40
  6. Step 6: Final answer
    x = 607,025.70

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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.