Home / 862,728.36-1,294,092.54-263,691.24

Finding the Fourth Proportional to 862,728.36, 1,294,092.54 and 263,691.24

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Solution

The fourth proportional to 862,728.36, 1,294,092.54 and 263,691.24 is: 395,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,728.36 : 1,294,092.54 = 263,691.24 : x
  2. Step 2: Convert to fraction form
    862,728.36/1,294,092.54 = 263,691.24/x
  3. Step 3: Cross multiply
    862,728.36x = 1,294,092.54 × 263,691.24
  4. Step 4: Simplify right side
    862,728.36x = 341,240,866,547.35
  5. Step 5: Solve for x
    x = 341,240,866,547.35/862,728.36
  6. Step 6: Final answer
    x = 395,536.86

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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.