Home / 816,100.70-1,224,553.35-367,139.30

Finding the Fourth Proportional to 816,100.70, 1,224,553.35 and 367,139.30

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Solution

The fourth proportional to 816,100.70, 1,224,553.35 and 367,139.30 is: 550,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,100.70 : 1,224,553.35 = 367,139.30 : x
  2. Step 2: Convert to fraction form
    816,100.70/1,224,553.35 = 367,139.30/x
  3. Step 3: Cross multiply
    816,100.70x = 1,224,553.35 × 367,139.30
  4. Step 4: Simplify right side
    816,100.70x = 449,581,659,731.66
  5. Step 5: Solve for x
    x = 449,581,659,731.66/816,100.70
  6. Step 6: Final answer
    x = 550,889.93

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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.