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Finding the Fourth Proportional to 1,333.50, 1,840.25 and 744.07

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Solution

The fourth proportional to 1,333.50, 1,840.25 and 744.07 is: 1,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.50 : 1,840.25 = 744.07 : x
  2. Step 2: Convert to fraction form
    1,333.50/1,840.25 = 744.07/x
  3. Step 3: Cross multiply
    1,333.50x = 1,840.25 × 744.07
  4. Step 4: Simplify right side
    1,333.50x = 1,369,274.82
  5. Step 5: Solve for x
    x = 1,369,274.82/1,333.50
  6. Step 6: Final answer
    x = 1,026.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.