Home / 905,803.62-1,359,078.03-400,097.94

Finding the Fourth Proportional to 905,803.62, 1,359,078.03 and 400,097.94

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Solution

The fourth proportional to 905,803.62, 1,359,078.03 and 400,097.94 is: 600,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,803.62 : 1,359,078.03 = 400,097.94 : x
  2. Step 2: Convert to fraction form
    905,803.62/1,359,078.03 = 400,097.94/x
  3. Step 3: Cross multiply
    905,803.62x = 1,359,078.03 × 400,097.94
  4. Step 4: Simplify right side
    905,803.62x = 543,764,320,102.26
  5. Step 5: Solve for x
    x = 543,764,320,102.26/905,803.62
  6. Step 6: Final answer
    x = 600,311.49

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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.