Home / 671,837.38-1,007,749.80-272,383.20

Finding the Fourth Proportional to 671,837.38, 1,007,749.80 and 272,383.20

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Solution

The fourth proportional to 671,837.38, 1,007,749.80 and 272,383.20 is: 408,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,837.38 : 1,007,749.80 = 272,383.20 : x
  2. Step 2: Convert to fraction form
    671,837.38/1,007,749.80 = 272,383.20/x
  3. Step 3: Cross multiply
    671,837.38x = 1,007,749.80 × 272,383.20
  4. Step 4: Simplify right side
    671,837.38x = 274,494,115,323.36
  5. Step 5: Solve for x
    x = 274,494,115,323.36/671,837.38
  6. Step 6: Final answer
    x = 408,572.26

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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.