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Finding the Fourth Proportional to 653,620.57, 902,018.29 and 363,244.37

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Solution

The fourth proportional to 653,620.57, 902,018.29 and 363,244.37 is: 501,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,620.57 : 902,018.29 = 363,244.37 : x
  2. Step 2: Convert to fraction form
    653,620.57/902,018.29 = 363,244.37/x
  3. Step 3: Cross multiply
    653,620.57x = 902,018.29 × 363,244.37
  4. Step 4: Simplify right side
    653,620.57x = 327,653,067,734.57
  5. Step 5: Solve for x
    x = 327,653,067,734.57/653,620.57
  6. Step 6: Final answer
    x = 501,289.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.