Home / 718,111.98-1,077,195.31-268,785.54

Finding the Fourth Proportional to 718,111.98, 1,077,195.31 and 268,785.54

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Solution

The fourth proportional to 718,111.98, 1,077,195.31 and 268,785.54 is: 403,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,111.98 : 1,077,195.31 = 268,785.54 : x
  2. Step 2: Convert to fraction form
    718,111.98/1,077,195.31 = 268,785.54/x
  3. Step 3: Cross multiply
    718,111.98x = 1,077,195.31 × 268,785.54
  4. Step 4: Simplify right side
    718,111.98x = 289,534,522,411.85
  5. Step 5: Solve for x
    x = 289,534,522,411.85/718,111.98
  6. Step 6: Final answer
    x = 403,188.54

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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.