Home / 851,279.70-1,276,919.55-377,462.10

Finding the Fourth Proportional to 851,279.70, 1,276,919.55 and 377,462.10

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Solution

The fourth proportional to 851,279.70, 1,276,919.55 and 377,462.10 is: 566,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,279.70 : 1,276,919.55 = 377,462.10 : x
  2. Step 2: Convert to fraction form
    851,279.70/1,276,919.55 = 377,462.10/x
  3. Step 3: Cross multiply
    851,279.70x = 1,276,919.55 × 377,462.10
  4. Step 4: Simplify right side
    851,279.70x = 481,988,734,874.06
  5. Step 5: Solve for x
    x = 481,988,734,874.06/851,279.70
  6. Step 6: Final answer
    x = 566,193.15

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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.