Home / 816,113.20-1,224,572.10-367,151.80

Finding the Fourth Proportional to 816,113.20, 1,224,572.10 and 367,151.80

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Solution

The fourth proportional to 816,113.20, 1,224,572.10 and 367,151.80 is: 550,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,113.20 : 1,224,572.10 = 367,151.80 : x
  2. Step 2: Convert to fraction form
    816,113.20/1,224,572.10 = 367,151.80/x
  3. Step 3: Cross multiply
    816,113.20x = 1,224,572.10 × 367,151.80
  4. Step 4: Simplify right side
    816,113.20x = 449,603,850,744.78
  5. Step 5: Solve for x
    x = 449,603,850,744.78/816,113.20
  6. Step 6: Final answer
    x = 550,908.69

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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.