Home / 826,767.59-1,239,831.51-321,262.02

Finding the Fourth Proportional to 826,767.59, 1,239,831.51 and 321,262.02

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Solution

The fourth proportional to 826,767.59, 1,239,831.51 and 321,262.02 is: 481,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,767.59 : 1,239,831.51 = 321,262.02 : x
  2. Step 2: Convert to fraction form
    826,767.59/1,239,831.51 = 321,262.02/x
  3. Step 3: Cross multiply
    826,767.59x = 1,239,831.51 × 321,262.02
  4. Step 4: Simplify right side
    826,767.59x = 398,310,775,362.25
  5. Step 5: Solve for x
    x = 398,310,775,362.25/826,767.59
  6. Step 6: Final answer
    x = 481,768.74

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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.