Home / 876,241.20-1,209,249.60-494,267.88

Finding the Fourth Proportional to 876,241.20, 1,209,249.60 and 494,267.88

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Solution

The fourth proportional to 876,241.20, 1,209,249.60 and 494,267.88 is: 682,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,241.20 : 1,209,249.60 = 494,267.88 : x
  2. Step 2: Convert to fraction form
    876,241.20/1,209,249.60 = 494,267.88/x
  3. Step 3: Cross multiply
    876,241.20x = 1,209,249.60 × 494,267.88
  4. Step 4: Simplify right side
    876,241.20x = 597,693,236,182.85
  5. Step 5: Solve for x
    x = 597,693,236,182.85/876,241.20
  6. Step 6: Final answer
    x = 682,110.40

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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.