Home / 1,036.23-1,554.20-488.13

Finding the Fourth Proportional to 1,036.23, 1,554.20 and 488.13

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Solution

The fourth proportional to 1,036.23, 1,554.20 and 488.13 is: 732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.23 : 1,554.20 = 488.13 : x
  2. Step 2: Convert to fraction form
    1,036.23/1,554.20 = 488.13/x
  3. Step 3: Cross multiply
    1,036.23x = 1,554.20 × 488.13
  4. Step 4: Simplify right side
    1,036.23x = 758,651.65
  5. Step 5: Solve for x
    x = 758,651.65/1,036.23
  6. Step 6: Final answer
    x = 732.13

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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.