Home / 818,050.70-1,227,132.11-278,087.25

Finding the Fourth Proportional to 818,050.70, 1,227,132.11 and 278,087.25

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Solution

The fourth proportional to 818,050.70, 1,227,132.11 and 278,087.25 is: 417,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,050.70 : 1,227,132.11 = 278,087.25 : x
  2. Step 2: Convert to fraction form
    818,050.70/1,227,132.11 = 278,087.25/x
  3. Step 3: Cross multiply
    818,050.70x = 1,227,132.11 × 278,087.25
  4. Step 4: Simplify right side
    818,050.70x = 341,249,799,153.56
  5. Step 5: Solve for x
    x = 341,249,799,153.56/818,050.70
  6. Step 6: Final answer
    x = 417,149.94

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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.