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Finding the Fourth Proportional to 793.77, 1,189.58 and 504.69

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Solution

The fourth proportional to 793.77, 1,189.58 and 504.69 is: 756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.77 : 1,189.58 = 504.69 : x
  2. Step 2: Convert to fraction form
    793.77/1,189.58 = 504.69/x
  3. Step 3: Cross multiply
    793.77x = 1,189.58 × 504.69
  4. Step 4: Simplify right side
    793.77x = 600,366.61
  5. Step 5: Solve for x
    x = 600,366.61/793.77
  6. Step 6: Final answer
    x = 756.35

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Double scale
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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.