Home / 899,107.36-1,349,324.70-425,791.96

Finding the Fourth Proportional to 899,107.36, 1,349,324.70 and 425,791.96

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Solution

The fourth proportional to 899,107.36, 1,349,324.70 and 425,791.96 is: 639,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,107.36 : 1,349,324.70 = 425,791.96 : x
  2. Step 2: Convert to fraction form
    899,107.36/1,349,324.70 = 425,791.96/x
  3. Step 3: Cross multiply
    899,107.36x = 1,349,324.70 × 425,791.96
  4. Step 4: Simplify right side
    899,107.36x = 574,531,608,689.41
  5. Step 5: Solve for x
    x = 574,531,608,689.41/899,107.36
  6. Step 6: Final answer
    x = 639,002.23

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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.