Home / 618,023.25-927,040.65-218,731.73

Finding the Fourth Proportional to 618,023.25, 927,040.65 and 218,731.73

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Solution

The fourth proportional to 618,023.25, 927,040.65 and 218,731.73 is: 328,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,023.25 : 927,040.65 = 218,731.73 : x
  2. Step 2: Convert to fraction form
    618,023.25/927,040.65 = 218,731.73/x
  3. Step 3: Cross multiply
    618,023.25x = 927,040.65 × 218,731.73
  4. Step 4: Simplify right side
    618,023.25x = 202,773,199,699.38
  5. Step 5: Solve for x
    x = 202,773,199,699.38/618,023.25
  6. Step 6: Final answer
    x = 328,099.63

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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.