Home / 804.03-1,206.50-317.12

Finding the Fourth Proportional to 804.03, 1,206.50 and 317.12

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Solution

The fourth proportional to 804.03, 1,206.50 and 317.12 is: 475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.03 : 1,206.50 = 317.12 : x
  2. Step 2: Convert to fraction form
    804.03/1,206.50 = 317.12/x
  3. Step 3: Cross multiply
    804.03x = 1,206.50 × 317.12
  4. Step 4: Simplify right side
    804.03x = 382,597.66
  5. Step 5: Solve for x
    x = 382,597.66/804.03
  6. Step 6: Final answer
    x = 475.85

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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.