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Finding the Fourth Proportional to 626,763.48, 940,465.85 and 298,499.91

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Solution

The fourth proportional to 626,763.48, 940,465.85 and 298,499.91 is: 447,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,763.48 : 940,465.85 = 298,499.91 : x
  2. Step 2: Convert to fraction form
    626,763.48/940,465.85 = 298,499.91/x
  3. Step 3: Cross multiply
    626,763.48x = 940,465.85 × 298,499.91
  4. Step 4: Simplify right side
    626,763.48x = 280,728,965,388.25
  5. Step 5: Solve for x
    x = 280,728,965,388.25/626,763.48
  6. Step 6: Final answer
    x = 447,902.56

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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.