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Finding the Fourth Proportional to 544,845.52, 751,460.79 and 353,920.42

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Solution

The fourth proportional to 544,845.52, 751,460.79 and 353,920.42 is: 488,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,845.52 : 751,460.79 = 353,920.42 : x
  2. Step 2: Convert to fraction form
    544,845.52/751,460.79 = 353,920.42/x
  3. Step 3: Cross multiply
    544,845.52x = 751,460.79 × 353,920.42
  4. Step 4: Simplify right side
    544,845.52x = 265,957,318,410.33
  5. Step 5: Solve for x
    x = 265,957,318,410.33/544,845.52
  6. Step 6: Final answer
    x = 488,133.44

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1.5x scale

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.