Home / 654,836.90-903,714.45-368,375.54

Finding the Fourth Proportional to 654,836.90, 903,714.45 and 368,375.54

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Solution

The fourth proportional to 654,836.90, 903,714.45 and 368,375.54 is: 508,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,836.90 : 903,714.45 = 368,375.54 : x
  2. Step 2: Convert to fraction form
    654,836.90/903,714.45 = 368,375.54/x
  3. Step 3: Cross multiply
    654,836.90x = 903,714.45 × 368,375.54
  4. Step 4: Simplify right side
    654,836.90x = 332,906,298,524.55
  5. Step 5: Solve for x
    x = 332,906,298,524.55/654,836.90
  6. Step 6: Final answer
    x = 508,380.48

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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.