Home / 982,403.80-1,474,383.30-383,651.80

Finding the Fourth Proportional to 982,403.80, 1,474,383.30 and 383,651.80

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Solution

The fourth proportional to 982,403.80, 1,474,383.30 and 383,651.80 is: 575,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,403.80 : 1,474,383.30 = 383,651.80 : x
  2. Step 2: Convert to fraction form
    982,403.80/1,474,383.30 = 383,651.80/x
  3. Step 3: Cross multiply
    982,403.80x = 1,474,383.30 × 383,651.80
  4. Step 4: Simplify right side
    982,403.80x = 565,649,806,934.94
  5. Step 5: Solve for x
    x = 565,649,806,934.94/982,403.80
  6. Step 6: Final answer
    x = 575,781.37

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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.