Home / 672,910.22-928,579.07-382,481.42

Finding the Fourth Proportional to 672,910.22, 928,579.07 and 382,481.42

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Solution

The fourth proportional to 672,910.22, 928,579.07 and 382,481.42 is: 527,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,910.22 : 928,579.07 = 382,481.42 : x
  2. Step 2: Convert to fraction form
    672,910.22/928,579.07 = 382,481.42/x
  3. Step 3: Cross multiply
    672,910.22x = 928,579.07 × 382,481.42
  4. Step 4: Simplify right side
    672,910.22x = 355,164,237,589.19
  5. Step 5: Solve for x
    x = 355,164,237,589.19/672,910.22
  6. Step 6: Final answer
    x = 527,803.30

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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.