Home / 905,899.30-1,358,844.09-231,979.30

Finding the Fourth Proportional to 905,899.30, 1,358,844.09 and 231,979.30

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Solution

The fourth proportional to 905,899.30, 1,358,844.09 and 231,979.30 is: 347,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,899.30 : 1,358,844.09 = 231,979.30 : x
  2. Step 2: Convert to fraction form
    905,899.30/1,358,844.09 = 231,979.30/x
  3. Step 3: Cross multiply
    905,899.30x = 1,358,844.09 × 231,979.30
  4. Step 4: Simplify right side
    905,899.30x = 315,223,700,807.34
  5. Step 5: Solve for x
    x = 315,223,700,807.34/905,899.30
  6. Step 6: Final answer
    x = 347,967.71

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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.