Home / 1,049.04-1,573.62-399.76

Finding the Fourth Proportional to 1,049.04, 1,573.62 and 399.76

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Solution

The fourth proportional to 1,049.04, 1,573.62 and 399.76 is: 599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.04 : 1,573.62 = 399.76 : x
  2. Step 2: Convert to fraction form
    1,049.04/1,573.62 = 399.76/x
  3. Step 3: Cross multiply
    1,049.04x = 1,573.62 × 399.76
  4. Step 4: Simplify right side
    1,049.04x = 629,070.33
  5. Step 5: Solve for x
    x = 629,070.33/1,049.04
  6. Step 6: Final answer
    x = 599.66

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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.