Home / 777,517.87-1,169,834.31-462,210.79

Finding the Fourth Proportional to 777,517.87, 1,169,834.31 and 462,210.79

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Solution

The fourth proportional to 777,517.87, 1,169,834.31 and 462,210.79 is: 695,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,517.87 : 1,169,834.31 = 462,210.79 : x
  2. Step 2: Convert to fraction form
    777,517.87/1,169,834.31 = 462,210.79/x
  3. Step 3: Cross multiply
    777,517.87x = 1,169,834.31 × 462,210.79
  4. Step 4: Simplify right side
    777,517.87x = 540,710,034,745.03
  5. Step 5: Solve for x
    x = 540,710,034,745.03/777,517.87
  6. Step 6: Final answer
    x = 695,431.01

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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.