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Finding the Fourth Proportional to 1,224.29, 1,833.48 and 607.14

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Solution

The fourth proportional to 1,224.29, 1,833.48 and 607.14 is: 909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.29 : 1,833.48 = 607.14 : x
  2. Step 2: Convert to fraction form
    1,224.29/1,833.48 = 607.14/x
  3. Step 3: Cross multiply
    1,224.29x = 1,833.48 × 607.14
  4. Step 4: Simplify right side
    1,224.29x = 1,113,179.05
  5. Step 5: Solve for x
    x = 1,113,179.05/1,224.29
  6. Step 6: Final answer
    x = 909.24

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1.5x scale

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.