Home / 905,338.11-1,358,217.21-265,616.01

Finding the Fourth Proportional to 905,338.11, 1,358,217.21 and 265,616.01

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Solution

The fourth proportional to 905,338.11, 1,358,217.21 and 265,616.01 is: 398,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,338.11 : 1,358,217.21 = 265,616.01 : x
  2. Step 2: Convert to fraction form
    905,338.11/1,358,217.21 = 265,616.01/x
  3. Step 3: Cross multiply
    905,338.11x = 1,358,217.21 × 265,616.01
  4. Step 4: Simplify right side
    905,338.11x = 360,764,237,029.59
  5. Step 5: Solve for x
    x = 360,764,237,029.59/905,338.11
  6. Step 6: Final answer
    x = 398,485.64

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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.