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Finding the Fourth Proportional to 1,076.84, 1,484.02 and 744.67

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Solution

The fourth proportional to 1,076.84, 1,484.02 and 744.67 is: 1,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.84 : 1,484.02 = 744.67 : x
  2. Step 2: Convert to fraction form
    1,076.84/1,484.02 = 744.67/x
  3. Step 3: Cross multiply
    1,076.84x = 1,484.02 × 744.67
  4. Step 4: Simplify right side
    1,076.84x = 1,105,105.17
  5. Step 5: Solve for x
    x = 1,105,105.17/1,076.84
  6. Step 6: Final answer
    x = 1,026.25

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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.