Home / 876,449.97-1,209,509.01-494,485.56

Finding the Fourth Proportional to 876,449.97, 1,209,509.01 and 494,485.56

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Solution

The fourth proportional to 876,449.97, 1,209,509.01 and 494,485.56 is: 682,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,449.97 : 1,209,509.01 = 494,485.56 : x
  2. Step 2: Convert to fraction form
    876,449.97/1,209,509.01 = 494,485.56/x
  3. Step 3: Cross multiply
    876,449.97x = 1,209,509.01 × 494,485.56
  4. Step 4: Simplify right side
    876,449.97x = 598,084,740,134.90
  5. Step 5: Solve for x
    x = 598,084,740,134.90/876,449.97
  6. Step 6: Final answer
    x = 682,394.62

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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.