Home / 782,268.30-1,172,527.65-332,912.70

Finding the Fourth Proportional to 782,268.30, 1,172,527.65 and 332,912.70

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Solution

The fourth proportional to 782,268.30, 1,172,527.65 and 332,912.70 is: 498,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,268.30 : 1,172,527.65 = 332,912.70 : x
  2. Step 2: Convert to fraction form
    782,268.30/1,172,527.65 = 332,912.70/x
  3. Step 3: Cross multiply
    782,268.30x = 1,172,527.65 × 332,912.70
  4. Step 4: Simplify right side
    782,268.30x = 390,349,345,786.16
  5. Step 5: Solve for x
    x = 390,349,345,786.16/782,268.30
  6. Step 6: Final answer
    x = 498,996.76

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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.