Home / 690.03-1,034.61-294.24

Finding the Fourth Proportional to 690.03, 1,034.61 and 294.24

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Solution

The fourth proportional to 690.03, 1,034.61 and 294.24 is: 441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690.03 : 1,034.61 = 294.24 : x
  2. Step 2: Convert to fraction form
    690.03/1,034.61 = 294.24/x
  3. Step 3: Cross multiply
    690.03x = 1,034.61 × 294.24
  4. Step 4: Simplify right side
    690.03x = 304,423.65
  5. Step 5: Solve for x
    x = 304,423.65/690.03
  6. Step 6: Final answer
    x = 441.17

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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.