Home / 1,073.28-1,481.16-607.50

Finding the Fourth Proportional to 1,073.28, 1,481.16 and 607.50

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Solution

The fourth proportional to 1,073.28, 1,481.16 and 607.50 is: 838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.28 : 1,481.16 = 607.50 : x
  2. Step 2: Convert to fraction form
    1,073.28/1,481.16 = 607.50/x
  3. Step 3: Cross multiply
    1,073.28x = 1,481.16 × 607.50
  4. Step 4: Simplify right side
    1,073.28x = 899,804.70
  5. Step 5: Solve for x
    x = 899,804.70/1,073.28
  6. Step 6: Final answer
    x = 838.37

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Why These Related Problems?

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