Home / 668,665.89-1,003,248.54-269,419.95

Finding the Fourth Proportional to 668,665.89, 1,003,248.54 and 269,419.95

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Solution

The fourth proportional to 668,665.89, 1,003,248.54 and 269,419.95 is: 404,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,665.89 : 1,003,248.54 = 269,419.95 : x
  2. Step 2: Convert to fraction form
    668,665.89/1,003,248.54 = 269,419.95/x
  3. Step 3: Cross multiply
    668,665.89x = 1,003,248.54 × 269,419.95
  4. Step 4: Simplify right side
    668,665.89x = 270,295,171,484.37
  5. Step 5: Solve for x
    x = 270,295,171,484.37/668,665.89
  6. Step 6: Final answer
    x = 404,230.54

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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.