Home / 925.14-1,388.40-601.20

Finding the Fourth Proportional to 925.14, 1,388.40 and 601.20

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Solution

The fourth proportional to 925.14, 1,388.40 and 601.20 is: 902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.14 : 1,388.40 = 601.20 : x
  2. Step 2: Convert to fraction form
    925.14/1,388.40 = 601.20/x
  3. Step 3: Cross multiply
    925.14x = 1,388.40 × 601.20
  4. Step 4: Simplify right side
    925.14x = 834,706.08
  5. Step 5: Solve for x
    x = 834,706.08/925.14
  6. Step 6: Final answer
    x = 902.25

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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.