Home / 876,370.96-1,209,403.60-494,396.56

Finding the Fourth Proportional to 876,370.96, 1,209,403.60 and 494,396.56

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Solution

The fourth proportional to 876,370.96, 1,209,403.60 and 494,396.56 is: 682,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,370.96 : 1,209,403.60 = 494,396.56 : x
  2. Step 2: Convert to fraction form
    876,370.96/1,209,403.60 = 494,396.56/x
  3. Step 3: Cross multiply
    876,370.96x = 1,209,403.60 × 494,396.56
  4. Step 4: Simplify right side
    876,370.96x = 597,924,979,491.62
  5. Step 5: Solve for x
    x = 597,924,979,491.62/876,370.96
  6. Step 6: Final answer
    x = 682,273.84

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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.