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Finding the Fourth Proportional to 1,235.05, 1,852.77 and 504.46

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Solution

The fourth proportional to 1,235.05, 1,852.77 and 504.46 is: 756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.05 : 1,852.77 = 504.46 : x
  2. Step 2: Convert to fraction form
    1,235.05/1,852.77 = 504.46/x
  3. Step 3: Cross multiply
    1,235.05x = 1,852.77 × 504.46
  4. Step 4: Simplify right side
    1,235.05x = 934,652.56
  5. Step 5: Solve for x
    x = 934,652.56/1,235.05
  6. Step 6: Final answer
    x = 756.77

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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.