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Finding the Fourth Proportional to 606.31, 909.34 and 504.25

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Solution

The fourth proportional to 606.31, 909.34 and 504.25 is: 756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.31 : 909.34 = 504.25 : x
  2. Step 2: Convert to fraction form
    606.31/909.34 = 504.25/x
  3. Step 3: Cross multiply
    606.31x = 909.34 × 504.25
  4. Step 4: Simplify right side
    606.31x = 458,534.70
  5. Step 5: Solve for x
    x = 458,534.70/606.31
  6. Step 6: Final answer
    x = 756.27

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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.