Home / 741,990.70-1,112,986.05-181,025.20

Finding the Fourth Proportional to 741,990.70, 1,112,986.05 and 181,025.20

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Solution

The fourth proportional to 741,990.70, 1,112,986.05 and 181,025.20 is: 271,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,990.70 : 1,112,986.05 = 181,025.20 : x
  2. Step 2: Convert to fraction form
    741,990.70/1,112,986.05 = 181,025.20/x
  3. Step 3: Cross multiply
    741,990.70x = 1,112,986.05 × 181,025.20
  4. Step 4: Simplify right side
    741,990.70x = 201,478,522,298.46
  5. Step 5: Solve for x
    x = 201,478,522,298.46/741,990.70
  6. Step 6: Final answer
    x = 271,537.80

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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.