Home / 818,854.80-1,228,282.20-766,366.80

Finding the Fourth Proportional to 818,854.80, 1,228,282.20 and 766,366.80

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Solution

The fourth proportional to 818,854.80, 1,228,282.20 and 766,366.80 is: 1,149,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,854.80 : 1,228,282.20 = 766,366.80 : x
  2. Step 2: Convert to fraction form
    818,854.80/1,228,282.20 = 766,366.80/x
  3. Step 3: Cross multiply
    818,854.80x = 1,228,282.20 × 766,366.80
  4. Step 4: Simplify right side
    818,854.80x = 941,314,699,110.96
  5. Step 5: Solve for x
    x = 941,314,699,110.96/818,854.80
  6. Step 6: Final answer
    x = 1,149,550.20

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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.