Home / 819,292.86-1,230,972.06-531,287.74

Finding the Fourth Proportional to 819,292.86, 1,230,972.06 and 531,287.74

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Solution

The fourth proportional to 819,292.86, 1,230,972.06 and 531,287.74 is: 798,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,292.86 : 1,230,972.06 = 531,287.74 : x
  2. Step 2: Convert to fraction form
    819,292.86/1,230,972.06 = 531,287.74/x
  3. Step 3: Cross multiply
    819,292.86x = 1,230,972.06 × 531,287.74
  4. Step 4: Simplify right side
    819,292.86x = 654,000,367,291.59
  5. Step 5: Solve for x
    x = 654,000,367,291.59/819,292.86
  6. Step 6: Final answer
    x = 798,249.81

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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.