Home / 899,107.11-1,349,324.33-425,791.71

Finding the Fourth Proportional to 899,107.11, 1,349,324.33 and 425,791.71

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Solution

The fourth proportional to 899,107.11, 1,349,324.33 and 425,791.71 is: 639,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,107.11 : 1,349,324.33 = 425,791.71 : x
  2. Step 2: Convert to fraction form
    899,107.11/1,349,324.33 = 425,791.71/x
  3. Step 3: Cross multiply
    899,107.11x = 1,349,324.33 × 425,791.71
  4. Step 4: Simplify right side
    899,107.11x = 574,531,111,686.35
  5. Step 5: Solve for x
    x = 574,531,111,686.35/899,107.11
  6. Step 6: Final answer
    x = 639,001.86

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Double scale
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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.