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Finding the Fourth Proportional to 499,334.48, 688,993.01 and 295,394

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Solution

The fourth proportional to 499,334.48, 688,993.01 and 295,394 is: 407,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,334.48 : 688,993.01 = 295,394 : x
  2. Step 2: Convert to fraction form
    499,334.48/688,993.01 = 295,394/x
  3. Step 3: Cross multiply
    499,334.48x = 688,993.01 × 295,394
  4. Step 4: Simplify right side
    499,334.48x = 203,524,401,195.94
  5. Step 5: Solve for x
    x = 203,524,401,195.94/499,334.48
  6. Step 6: Final answer
    x = 407,591.32

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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.