Home / 741,432.90-1,112,149.35-180,467.40

Finding the Fourth Proportional to 741,432.90, 1,112,149.35 and 180,467.40

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Solution

The fourth proportional to 741,432.90, 1,112,149.35 and 180,467.40 is: 270,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,432.90 : 1,112,149.35 = 180,467.40 : x
  2. Step 2: Convert to fraction form
    741,432.90/1,112,149.35 = 180,467.40/x
  3. Step 3: Cross multiply
    741,432.90x = 1,112,149.35 × 180,467.40
  4. Step 4: Simplify right side
    741,432.90x = 200,706,701,606.19
  5. Step 5: Solve for x
    x = 200,706,701,606.19/741,432.90
  6. Step 6: Final answer
    x = 270,701.10

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Half scale
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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.