Home / 1,176.07-1,763.30-445.03

Finding the Fourth Proportional to 1,176.07, 1,763.30 and 445.03

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Solution

The fourth proportional to 1,176.07, 1,763.30 and 445.03 is: 667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.07 : 1,763.30 = 445.03 : x
  2. Step 2: Convert to fraction form
    1,176.07/1,763.30 = 445.03/x
  3. Step 3: Cross multiply
    1,176.07x = 1,763.30 × 445.03
  4. Step 4: Simplify right side
    1,176.07x = 784,721.40
  5. Step 5: Solve for x
    x = 784,721.40/1,176.07
  6. Step 6: Final answer
    x = 667.24

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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.