Home / 902,079.09-1,353,563.22-422,339.37

Finding the Fourth Proportional to 902,079.09, 1,353,563.22 and 422,339.37

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Solution

The fourth proportional to 902,079.09, 1,353,563.22 and 422,339.37 is: 633,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,079.09 : 1,353,563.22 = 422,339.37 : x
  2. Step 2: Convert to fraction form
    902,079.09/1,353,563.22 = 422,339.37/x
  3. Step 3: Cross multiply
    902,079.09x = 1,353,563.22 × 422,339.37
  4. Step 4: Simplify right side
    902,079.09x = 571,663,032,094.37
  5. Step 5: Solve for x
    x = 571,663,032,094.37/902,079.09
  6. Step 6: Final answer
    x = 633,717.20

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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.