Home / 765,825.73-1,148,025.01-260,040.79

Finding the Fourth Proportional to 765,825.73, 1,148,025.01 and 260,040.79

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Solution

The fourth proportional to 765,825.73, 1,148,025.01 and 260,040.79 is: 389,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,825.73 : 1,148,025.01 = 260,040.79 : x
  2. Step 2: Convert to fraction form
    765,825.73/1,148,025.01 = 260,040.79/x
  3. Step 3: Cross multiply
    765,825.73x = 1,148,025.01 × 260,040.79
  4. Step 4: Simplify right side
    765,825.73x = 298,533,330,540.16
  5. Step 5: Solve for x
    x = 298,533,330,540.16/765,825.73
  6. Step 6: Final answer
    x = 389,818.88

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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.