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Finding the Fourth Proportional to 1,074.52, 1,483.08 and 609.04

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Solution

The fourth proportional to 1,074.52, 1,483.08 and 609.04 is: 840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.52 : 1,483.08 = 609.04 : x
  2. Step 2: Convert to fraction form
    1,074.52/1,483.08 = 609.04/x
  3. Step 3: Cross multiply
    1,074.52x = 1,483.08 × 609.04
  4. Step 4: Simplify right side
    1,074.52x = 903,255.04
  5. Step 5: Solve for x
    x = 903,255.04/1,074.52
  6. Step 6: Final answer
    x = 840.61

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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.