Home / 739,806.64-1,109,447.40-266,364.88

Finding the Fourth Proportional to 739,806.64, 1,109,447.40 and 266,364.88

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Solution

The fourth proportional to 739,806.64, 1,109,447.40 and 266,364.88 is: 399,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,806.64 : 1,109,447.40 = 266,364.88 : x
  2. Step 2: Convert to fraction form
    739,806.64/1,109,447.40 = 266,364.88/x
  3. Step 3: Cross multiply
    739,806.64x = 1,109,447.40 × 266,364.88
  4. Step 4: Simplify right side
    739,806.64x = 295,517,823,567.31
  5. Step 5: Solve for x
    x = 295,517,823,567.31/739,806.64
  6. Step 6: Final answer
    x = 399,452.79

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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.