Home / 777,012.75-1,165,585.14-216,047.25

Finding the Fourth Proportional to 777,012.75, 1,165,585.14 and 216,047.25

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Solution

The fourth proportional to 777,012.75, 1,165,585.14 and 216,047.25 is: 324,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,012.75 : 1,165,585.14 = 216,047.25 : x
  2. Step 2: Convert to fraction form
    777,012.75/1,165,585.14 = 216,047.25/x
  3. Step 3: Cross multiply
    777,012.75x = 1,165,585.14 × 216,047.25
  4. Step 4: Simplify right side
    777,012.75x = 251,821,464,137.87
  5. Step 5: Solve for x
    x = 251,821,464,137.87/777,012.75
  6. Step 6: Final answer
    x = 324,089.23

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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.