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Finding the Fourth Proportional to 1,234.89, 1,852.70 and 504.09

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Solution

The fourth proportional to 1,234.89, 1,852.70 and 504.09 is: 756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.89 : 1,852.70 = 504.09 : x
  2. Step 2: Convert to fraction form
    1,234.89/1,852.70 = 504.09/x
  3. Step 3: Cross multiply
    1,234.89x = 1,852.70 × 504.09
  4. Step 4: Simplify right side
    1,234.89x = 933,925.02
  5. Step 5: Solve for x
    x = 933,925.02/1,234.89
  6. Step 6: Final answer
    x = 756.28

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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.