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Finding the Fourth Proportional to 605.63, 908.79 and 504.14

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Solution

The fourth proportional to 605.63, 908.79 and 504.14 is: 756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.63 : 908.79 = 504.14 : x
  2. Step 2: Convert to fraction form
    605.63/908.79 = 504.14/x
  3. Step 3: Cross multiply
    605.63x = 908.79 × 504.14
  4. Step 4: Simplify right side
    605.63x = 458,156.07
  5. Step 5: Solve for x
    x = 458,156.07/605.63
  6. Step 6: Final answer
    x = 756.50

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1.5x scale

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.