Home / 1,177.98-1,766.41-484.08

Finding the Fourth Proportional to 1,177.98, 1,766.41 and 484.08

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Solution

The fourth proportional to 1,177.98, 1,766.41 and 484.08 is: 725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.98 : 1,766.41 = 484.08 : x
  2. Step 2: Convert to fraction form
    1,177.98/1,766.41 = 484.08/x
  3. Step 3: Cross multiply
    1,177.98x = 1,766.41 × 484.08
  4. Step 4: Simplify right side
    1,177.98x = 855,075.92
  5. Step 5: Solve for x
    x = 855,075.92/1,177.98
  6. Step 6: Final answer
    x = 725.89

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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.