Home / 629,540.18-943,623.03-309,912.02

Finding the Fourth Proportional to 629,540.18, 943,623.03 and 309,912.02

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Solution

The fourth proportional to 629,540.18, 943,623.03 and 309,912.02 is: 464,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,540.18 : 943,623.03 = 309,912.02 : x
  2. Step 2: Convert to fraction form
    629,540.18/943,623.03 = 309,912.02/x
  3. Step 3: Cross multiply
    629,540.18x = 943,623.03 × 309,912.02
  4. Step 4: Simplify right side
    629,540.18x = 292,440,119,345.82
  5. Step 5: Solve for x
    x = 292,440,119,345.82/629,540.18
  6. Step 6: Final answer
    x = 464,529.71

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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.