Home / 671,058.36-1,006,808.94-272,034.72

Finding the Fourth Proportional to 671,058.36, 1,006,808.94 and 272,034.72

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Solution

The fourth proportional to 671,058.36, 1,006,808.94 and 272,034.72 is: 408,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,058.36 : 1,006,808.94 = 272,034.72 : x
  2. Step 2: Convert to fraction form
    671,058.36/1,006,808.94 = 272,034.72/x
  3. Step 3: Cross multiply
    671,058.36x = 1,006,808.94 × 272,034.72
  4. Step 4: Simplify right side
    671,058.36x = 273,886,988,086.40
  5. Step 5: Solve for x
    x = 273,886,988,086.40/671,058.36
  6. Step 6: Final answer
    x = 408,141.83

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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.