Home / 756.03-1,133.26-317.62

Finding the Fourth Proportional to 756.03, 1,133.26 and 317.62

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Solution

The fourth proportional to 756.03, 1,133.26 and 317.62 is: 476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.03 : 1,133.26 = 317.62 : x
  2. Step 2: Convert to fraction form
    756.03/1,133.26 = 317.62/x
  3. Step 3: Cross multiply
    756.03x = 1,133.26 × 317.62
  4. Step 4: Simplify right side
    756.03x = 359,946.04
  5. Step 5: Solve for x
    x = 359,946.04/756.03
  6. Step 6: Final answer
    x = 476.10

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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.