Home / 1,223.25-1,833.50-607.40

Finding the Fourth Proportional to 1,223.25, 1,833.50 and 607.40

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Solution

The fourth proportional to 1,223.25, 1,833.50 and 607.40 is: 910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.25 : 1,833.50 = 607.40 : x
  2. Step 2: Convert to fraction form
    1,223.25/1,833.50 = 607.40/x
  3. Step 3: Cross multiply
    1,223.25x = 1,833.50 × 607.40
  4. Step 4: Simplify right side
    1,223.25x = 1,113,667.13
  5. Step 5: Solve for x
    x = 1,113,667.13/1,223.25
  6. Step 6: Final answer
    x = 910.41

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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.