Home / 689,505.44-1,034,258.24-216,232.16

Finding the Fourth Proportional to 689,505.44, 1,034,258.24 and 216,232.16

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Solution

The fourth proportional to 689,505.44, 1,034,258.24 and 216,232.16 is: 324,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,505.44 : 1,034,258.24 = 216,232.16 : x
  2. Step 2: Convert to fraction form
    689,505.44/1,034,258.24 = 216,232.16/x
  3. Step 3: Cross multiply
    689,505.44x = 1,034,258.24 × 216,232.16
  4. Step 4: Simplify right side
    689,505.44x = 223,639,893,233.00
  5. Step 5: Solve for x
    x = 223,639,893,233.00/689,505.44
  6. Step 6: Final answer
    x = 324,348.27

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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.