Home / 739,515.77-1,109,396.28-259,619.02

Finding the Fourth Proportional to 739,515.77, 1,109,396.28 and 259,619.02

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Solution

The fourth proportional to 739,515.77, 1,109,396.28 and 259,619.02 is: 389,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,515.77 : 1,109,396.28 = 259,619.02 : x
  2. Step 2: Convert to fraction form
    739,515.77/1,109,396.28 = 259,619.02/x
  3. Step 3: Cross multiply
    739,515.77x = 1,109,396.28 × 259,619.02
  4. Step 4: Simplify right side
    739,515.77x = 288,020,373,205.33
  5. Step 5: Solve for x
    x = 288,020,373,205.33/739,515.77
  6. Step 6: Final answer
    x = 389,471.58

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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.