Home / 384,500.46-576,617.11-213,982.38

Finding the Fourth Proportional to 384,500.46, 576,617.11 and 213,982.38

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Solution

The fourth proportional to 384,500.46, 576,617.11 and 213,982.38 is: 320,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,500.46 : 576,617.11 = 213,982.38 : x
  2. Step 2: Convert to fraction form
    384,500.46/576,617.11 = 213,982.38/x
  3. Step 3: Cross multiply
    384,500.46x = 576,617.11 × 213,982.38
  4. Step 4: Simplify right side
    384,500.46x = 123,385,901,546.52
  5. Step 5: Solve for x
    x = 123,385,901,546.52/384,500.46
  6. Step 6: Final answer
    x = 320,899.23

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1.5x scale

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.