Home / 1,052.30-1,578.67-403.03

Finding the Fourth Proportional to 1,052.30, 1,578.67 and 403.03

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Solution

The fourth proportional to 1,052.30, 1,578.67 and 403.03 is: 604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.30 : 1,578.67 = 403.03 : x
  2. Step 2: Convert to fraction form
    1,052.30/1,578.67 = 403.03/x
  3. Step 3: Cross multiply
    1,052.30x = 1,578.67 × 403.03
  4. Step 4: Simplify right side
    1,052.30x = 636,254.60
  5. Step 5: Solve for x
    x = 636,254.60/1,052.30
  6. Step 6: Final answer
    x = 604.63

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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.