Home / 869,452.80-1,304,179.20-603,732.30

Finding the Fourth Proportional to 869,452.80, 1,304,179.20 and 603,732.30

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Solution

The fourth proportional to 869,452.80, 1,304,179.20 and 603,732.30 is: 905,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,452.80 : 1,304,179.20 = 603,732.30 : x
  2. Step 2: Convert to fraction form
    869,452.80/1,304,179.20 = 603,732.30/x
  3. Step 3: Cross multiply
    869,452.80x = 1,304,179.20 × 603,732.30
  4. Step 4: Simplify right side
    869,452.80x = 787,375,108,028.16
  5. Step 5: Solve for x
    x = 787,375,108,028.16/869,452.80
  6. Step 6: Final answer
    x = 905,598.45

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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.