Home / 671,122.72-1,007,034.08-272,058.40

Finding the Fourth Proportional to 671,122.72, 1,007,034.08 and 272,058.40

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Solution

The fourth proportional to 671,122.72, 1,007,034.08 and 272,058.40 is: 408,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,122.72 : 1,007,034.08 = 272,058.40 : x
  2. Step 2: Convert to fraction form
    671,122.72/1,007,034.08 = 272,058.40/x
  3. Step 3: Cross multiply
    671,122.72x = 1,007,034.08 × 272,058.40
  4. Step 4: Simplify right side
    671,122.72x = 273,972,080,550.27
  5. Step 5: Solve for x
    x = 273,972,080,550.27/671,122.72
  6. Step 6: Final answer
    x = 408,229.48

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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.