Home / 729,631.40-1,094,447.10-448,236.20

Finding the Fourth Proportional to 729,631.40, 1,094,447.10 and 448,236.20

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Solution

The fourth proportional to 729,631.40, 1,094,447.10 and 448,236.20 is: 672,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,631.40 : 1,094,447.10 = 448,236.20 : x
  2. Step 2: Convert to fraction form
    729,631.40/1,094,447.10 = 448,236.20/x
  3. Step 3: Cross multiply
    729,631.40x = 1,094,447.10 × 448,236.20
  4. Step 4: Simplify right side
    729,631.40x = 490,570,809,205.02
  5. Step 5: Solve for x
    x = 490,570,809,205.02/729,631.40
  6. Step 6: Final answer
    x = 672,354.30

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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.