Home / 758,072.09-1,045,761.81-451,932.75

Finding the Fourth Proportional to 758,072.09, 1,045,761.81 and 451,932.75

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Solution

The fourth proportional to 758,072.09, 1,045,761.81 and 451,932.75 is: 623,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,072.09 : 1,045,761.81 = 451,932.75 : x
  2. Step 2: Convert to fraction form
    758,072.09/1,045,761.81 = 451,932.75/x
  3. Step 3: Cross multiply
    758,072.09x = 1,045,761.81 × 451,932.75
  4. Step 4: Simplify right side
    758,072.09x = 472,614,010,638.28
  5. Step 5: Solve for x
    x = 472,614,010,638.28/758,072.09
  6. Step 6: Final answer
    x = 623,442.04

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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.