Home / 551,221.20-826,831.80-481,237.20

Finding the Fourth Proportional to 551,221.20, 826,831.80 and 481,237.20

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Solution

The fourth proportional to 551,221.20, 826,831.80 and 481,237.20 is: 721,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,221.20 : 826,831.80 = 481,237.20 : x
  2. Step 2: Convert to fraction form
    551,221.20/826,831.80 = 481,237.20/x
  3. Step 3: Cross multiply
    551,221.20x = 826,831.80 × 481,237.20
  4. Step 4: Simplify right side
    551,221.20x = 397,902,220,302.96
  5. Step 5: Solve for x
    x = 397,902,220,302.96/551,221.20
  6. Step 6: Final answer
    x = 721,855.80

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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.