Home / 763,414.40-1,145,121.60-202,505.60

Finding the Fourth Proportional to 763,414.40, 1,145,121.60 and 202,505.60

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Solution

The fourth proportional to 763,414.40, 1,145,121.60 and 202,505.60 is: 303,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,414.40 : 1,145,121.60 = 202,505.60 : x
  2. Step 2: Convert to fraction form
    763,414.40/1,145,121.60 = 202,505.60/x
  3. Step 3: Cross multiply
    763,414.40x = 1,145,121.60 × 202,505.60
  4. Step 4: Simplify right side
    763,414.40x = 231,893,536,680.96
  5. Step 5: Solve for x
    x = 231,893,536,680.96/763,414.40
  6. Step 6: Final answer
    x = 303,758.40

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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.