Home / 1,179.04-1,767.30-409.36

Finding the Fourth Proportional to 1,179.04, 1,767.30 and 409.36

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Solution

The fourth proportional to 1,179.04, 1,767.30 and 409.36 is: 613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.04 : 1,767.30 = 409.36 : x
  2. Step 2: Convert to fraction form
    1,179.04/1,767.30 = 409.36/x
  3. Step 3: Cross multiply
    1,179.04x = 1,767.30 × 409.36
  4. Step 4: Simplify right side
    1,179.04x = 723,461.93
  5. Step 5: Solve for x
    x = 723,461.93/1,179.04
  6. Step 6: Final answer
    x = 613.60

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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.