Home / 881,440.20-1,322,160.30-632,608.20

Finding the Fourth Proportional to 881,440.20, 1,322,160.30 and 632,608.20

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Solution

The fourth proportional to 881,440.20, 1,322,160.30 and 632,608.20 is: 948,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,440.20 : 1,322,160.30 = 632,608.20 : x
  2. Step 2: Convert to fraction form
    881,440.20/1,322,160.30 = 632,608.20/x
  3. Step 3: Cross multiply
    881,440.20x = 1,322,160.30 × 632,608.20
  4. Step 4: Simplify right side
    881,440.20x = 836,409,447,494.46
  5. Step 5: Solve for x
    x = 836,409,447,494.46/881,440.20
  6. Step 6: Final answer
    x = 948,912.30

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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.