Home / 680,232.72-1,019,672.02-324,831.25

Finding the Fourth Proportional to 680,232.72, 1,019,672.02 and 324,831.25

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Solution

The fourth proportional to 680,232.72, 1,019,672.02 and 324,831.25 is: 486,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,232.72 : 1,019,672.02 = 324,831.25 : x
  2. Step 2: Convert to fraction form
    680,232.72/1,019,672.02 = 324,831.25/x
  3. Step 3: Cross multiply
    680,232.72x = 1,019,672.02 × 324,831.25
  4. Step 4: Simplify right side
    680,232.72x = 331,221,336,846.63
  5. Step 5: Solve for x
    x = 331,221,336,846.63/680,232.72
  6. Step 6: Final answer
    x = 486,923.56

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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.