Home / 850.16-1,173.12-500.72

Finding the Fourth Proportional to 850.16, 1,173.12 and 500.72

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Solution

The fourth proportional to 850.16, 1,173.12 and 500.72 is: 690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.16 : 1,173.12 = 500.72 : x
  2. Step 2: Convert to fraction form
    850.16/1,173.12 = 500.72/x
  3. Step 3: Cross multiply
    850.16x = 1,173.12 × 500.72
  4. Step 4: Simplify right side
    850.16x = 587,404.65
  5. Step 5: Solve for x
    x = 587,404.65/850.16
  6. Step 6: Final answer
    x = 690.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.