Home / 738,325.85-1,107,551.21-205,847.33

Finding the Fourth Proportional to 738,325.85, 1,107,551.21 and 205,847.33

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Solution

The fourth proportional to 738,325.85, 1,107,551.21 and 205,847.33 is: 308,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,325.85 : 1,107,551.21 = 205,847.33 : x
  2. Step 2: Convert to fraction form
    738,325.85/1,107,551.21 = 205,847.33/x
  3. Step 3: Cross multiply
    738,325.85x = 1,107,551.21 × 205,847.33
  4. Step 4: Simplify right side
    738,325.85x = 227,986,452,849.78
  5. Step 5: Solve for x
    x = 227,986,452,849.78/738,325.85
  6. Step 6: Final answer
    x = 308,788.40

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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.