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Finding the Fourth Proportional to 1,052.54, 1,577.76 and 504.08

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Solution

The fourth proportional to 1,052.54, 1,577.76 and 504.08 is: 755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.54 : 1,577.76 = 504.08 : x
  2. Step 2: Convert to fraction form
    1,052.54/1,577.76 = 504.08/x
  3. Step 3: Cross multiply
    1,052.54x = 1,577.76 × 504.08
  4. Step 4: Simplify right side
    1,052.54x = 795,317.26
  5. Step 5: Solve for x
    x = 795,317.26/1,052.54
  6. Step 6: Final answer
    x = 755.62

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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.