Home / 816,123.20-1,224,587.10-367,161.80

Finding the Fourth Proportional to 816,123.20, 1,224,587.10 and 367,161.80

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Solution

The fourth proportional to 816,123.20, 1,224,587.10 and 367,161.80 is: 550,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,123.20 : 1,224,587.10 = 367,161.80 : x
  2. Step 2: Convert to fraction form
    816,123.20/1,224,587.10 = 367,161.80/x
  3. Step 3: Cross multiply
    816,123.20x = 1,224,587.10 × 367,161.80
  4. Step 4: Simplify right side
    816,123.20x = 449,621,603,892.78
  5. Step 5: Solve for x
    x = 449,621,603,892.78/816,123.20
  6. Step 6: Final answer
    x = 550,923.69

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1.5x scale

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.