Home / 693,476.98-1,040,451.78-373,661.64

Finding the Fourth Proportional to 693,476.98, 1,040,451.78 and 373,661.64

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Solution

The fourth proportional to 693,476.98, 1,040,451.78 and 373,661.64 is: 560,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,476.98 : 1,040,451.78 = 373,661.64 : x
  2. Step 2: Convert to fraction form
    693,476.98/1,040,451.78 = 373,661.64/x
  3. Step 3: Cross multiply
    693,476.98x = 1,040,451.78 × 373,661.64
  4. Step 4: Simplify right side
    693,476.98x = 388,776,919,856.95
  5. Step 5: Solve for x
    x = 388,776,919,856.95/693,476.98
  6. Step 6: Final answer
    x = 560,619.79

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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.