Home / 862,942.66-1,190,862.17-480,961.24

Finding the Fourth Proportional to 862,942.66, 1,190,862.17 and 480,961.24

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Solution

The fourth proportional to 862,942.66, 1,190,862.17 and 480,961.24 is: 663,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,942.66 : 1,190,862.17 = 480,961.24 : x
  2. Step 2: Convert to fraction form
    862,942.66/1,190,862.17 = 480,961.24/x
  3. Step 3: Cross multiply
    862,942.66x = 1,190,862.17 × 480,961.24
  4. Step 4: Simplify right side
    862,942.66x = 572,758,544,177.54
  5. Step 5: Solve for x
    x = 572,758,544,177.54/862,942.66
  6. Step 6: Final answer
    x = 663,727.24

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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.