Home / 1,450.29-2,175.44-476.47

Finding the Fourth Proportional to 1,450.29, 2,175.44 and 476.47

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Solution

The fourth proportional to 1,450.29, 2,175.44 and 476.47 is: 714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.29 : 2,175.44 = 476.47 : x
  2. Step 2: Convert to fraction form
    1,450.29/2,175.44 = 476.47/x
  3. Step 3: Cross multiply
    1,450.29x = 2,175.44 × 476.47
  4. Step 4: Simplify right side
    1,450.29x = 1,036,531.90
  5. Step 5: Solve for x
    x = 1,036,531.90/1,450.29
  6. Step 6: Final answer
    x = 714.71

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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.