Home / 902,004.08-1,353,450.72-422,264.41

Finding the Fourth Proportional to 902,004.08, 1,353,450.72 and 422,264.41

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Solution

The fourth proportional to 902,004.08, 1,353,450.72 and 422,264.41 is: 633,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,004.08 : 1,353,450.72 = 422,264.41 : x
  2. Step 2: Convert to fraction form
    902,004.08/1,353,450.72 = 422,264.41/x
  3. Step 3: Cross multiply
    902,004.08x = 1,353,450.72 × 422,264.41
  4. Step 4: Simplify right side
    902,004.08x = 571,514,069,744.88
  5. Step 5: Solve for x
    x = 571,514,069,744.88/902,004.08
  6. Step 6: Final answer
    x = 633,604.75

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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.