Home / 869,568.20-1,304,352.30-659,616.20

Finding the Fourth Proportional to 869,568.20, 1,304,352.30 and 659,616.20

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Solution

The fourth proportional to 869,568.20, 1,304,352.30 and 659,616.20 is: 989,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,568.20 : 1,304,352.30 = 659,616.20 : x
  2. Step 2: Convert to fraction form
    869,568.20/1,304,352.30 = 659,616.20/x
  3. Step 3: Cross multiply
    869,568.20x = 1,304,352.30 × 659,616.20
  4. Step 4: Simplify right side
    869,568.20x = 860,371,907,587.26
  5. Step 5: Solve for x
    x = 860,371,907,587.26/869,568.20
  6. Step 6: Final answer
    x = 989,424.30

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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.