Home / 875,974.20-1,313,654.10-455,110.20

Finding the Fourth Proportional to 875,974.20, 1,313,654.10 and 455,110.20

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Solution

The fourth proportional to 875,974.20, 1,313,654.10 and 455,110.20 is: 682,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,974.20 : 1,313,654.10 = 455,110.20 : x
  2. Step 2: Convert to fraction form
    875,974.20/1,313,654.10 = 455,110.20/x
  3. Step 3: Cross multiply
    875,974.20x = 1,313,654.10 × 455,110.20
  4. Step 4: Simplify right side
    875,974.20x = 597,857,380,181.82
  5. Step 5: Solve for x
    x = 597,857,380,181.82/875,974.20
  6. Step 6: Final answer
    x = 682,505.70

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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.