Home / 818,148.03-1,227,277.97-278,184.48

Finding the Fourth Proportional to 818,148.03, 1,227,277.97 and 278,184.48

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Solution

The fourth proportional to 818,148.03, 1,227,277.97 and 278,184.48 is: 417,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,148.03 : 1,227,277.97 = 278,184.48 : x
  2. Step 2: Convert to fraction form
    818,148.03/1,227,277.97 = 278,184.48/x
  3. Step 3: Cross multiply
    818,148.03x = 1,227,277.97 × 278,184.48
  4. Step 4: Simplify right side
    818,148.03x = 341,409,682,508.98
  5. Step 5: Solve for x
    x = 341,409,682,508.98/818,148.03
  6. Step 6: Final answer
    x = 417,295.73

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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.