Home / 754,287.84-1,131,924-281,351.52

Finding the Fourth Proportional to 754,287.84, 1,131,924 and 281,351.52

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Solution

The fourth proportional to 754,287.84, 1,131,924 and 281,351.52 is: 422,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,287.84 : 1,131,924 = 281,351.52 : x
  2. Step 2: Convert to fraction form
    754,287.84/1,131,924 = 281,351.52/x
  3. Step 3: Cross multiply
    754,287.84x = 1,131,924 × 281,351.52
  4. Step 4: Simplify right side
    754,287.84x = 318,468,537,924.48
  5. Step 5: Solve for x
    x = 318,468,537,924.48/754,287.84
  6. Step 6: Final answer
    x = 422,210.89

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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.