Home / 693,250.73-1,040,732.43-328,860.75

Finding the Fourth Proportional to 693,250.73, 1,040,732.43 and 328,860.75

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Solution

The fourth proportional to 693,250.73, 1,040,732.43 and 328,860.75 is: 493,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,250.73 : 1,040,732.43 = 328,860.75 : x
  2. Step 2: Convert to fraction form
    693,250.73/1,040,732.43 = 328,860.75/x
  3. Step 3: Cross multiply
    693,250.73x = 1,040,732.43 × 328,860.75
  4. Step 4: Simplify right side
    693,250.73x = 342,256,047,479.12
  5. Step 5: Solve for x
    x = 342,256,047,479.12/693,250.73
  6. Step 6: Final answer
    x = 493,697.35

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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.