Home / 828,831.74-1,243,247.79-548,283.38

Finding the Fourth Proportional to 828,831.74, 1,243,247.79 and 548,283.38

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Solution

The fourth proportional to 828,831.74, 1,243,247.79 and 548,283.38 is: 822,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,831.74 : 1,243,247.79 = 548,283.38 : x
  2. Step 2: Convert to fraction form
    828,831.74/1,243,247.79 = 548,283.38/x
  3. Step 3: Cross multiply
    828,831.74x = 1,243,247.79 × 548,283.38
  4. Step 4: Simplify right side
    828,831.74x = 681,652,100,478.73
  5. Step 5: Solve for x
    x = 681,652,100,478.73/828,831.74
  6. Step 6: Final answer
    x = 822,425.19

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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.