Home / 770,969.68-1,155,831.20-322,034.48

Finding the Fourth Proportional to 770,969.68, 1,155,831.20 and 322,034.48

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Solution

The fourth proportional to 770,969.68, 1,155,831.20 and 322,034.48 is: 482,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,969.68 : 1,155,831.20 = 322,034.48 : x
  2. Step 2: Convert to fraction form
    770,969.68/1,155,831.20 = 322,034.48/x
  3. Step 3: Cross multiply
    770,969.68x = 1,155,831.20 × 322,034.48
  4. Step 4: Simplify right side
    770,969.68x = 372,217,499,459.78
  5. Step 5: Solve for x
    x = 372,217,499,459.78/770,969.68
  6. Step 6: Final answer
    x = 482,791.36

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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.