Home / 741,638.20-1,112,457.30-180,672.70

Finding the Fourth Proportional to 741,638.20, 1,112,457.30 and 180,672.70

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Solution

The fourth proportional to 741,638.20, 1,112,457.30 and 180,672.70 is: 271,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,638.20 : 1,112,457.30 = 180,672.70 : x
  2. Step 2: Convert to fraction form
    741,638.20/1,112,457.30 = 180,672.70/x
  3. Step 3: Cross multiply
    741,638.20x = 1,112,457.30 × 180,672.70
  4. Step 4: Simplify right side
    741,638.20x = 200,990,664,025.71
  5. Step 5: Solve for x
    x = 200,990,664,025.71/741,638.20
  6. Step 6: Final answer
    x = 271,009.05

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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.