Home / 777,634.80-1,166,277.15-278,998.80

Finding the Fourth Proportional to 777,634.80, 1,166,277.15 and 278,998.80

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Solution

The fourth proportional to 777,634.80, 1,166,277.15 and 278,998.80 is: 418,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,634.80 : 1,166,277.15 = 278,998.80 : x
  2. Step 2: Convert to fraction form
    777,634.80/1,166,277.15 = 278,998.80/x
  3. Step 3: Cross multiply
    777,634.80x = 1,166,277.15 × 278,998.80
  4. Step 4: Simplify right side
    777,634.80x = 325,389,925,317.42
  5. Step 5: Solve for x
    x = 325,389,925,317.42/777,634.80
  6. Step 6: Final answer
    x = 418,435.40

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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.