Home / 744,215.66-1,027,200.12-422,114.30

Finding the Fourth Proportional to 744,215.66, 1,027,200.12 and 422,114.30

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Solution

The fourth proportional to 744,215.66, 1,027,200.12 and 422,114.30 is: 582,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,215.66 : 1,027,200.12 = 422,114.30 : x
  2. Step 2: Convert to fraction form
    744,215.66/1,027,200.12 = 422,114.30/x
  3. Step 3: Cross multiply
    744,215.66x = 1,027,200.12 × 422,114.30
  4. Step 4: Simplify right side
    744,215.66x = 433,595,857,503.15
  5. Step 5: Solve for x
    x = 433,595,857,503.15/744,215.66
  6. Step 6: Final answer
    x = 582,621.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.