Home / 888,921.28-1,226,757.12-496,507.52

Finding the Fourth Proportional to 888,921.28, 1,226,757.12 and 496,507.52

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Solution

The fourth proportional to 888,921.28, 1,226,757.12 and 496,507.52 is: 685,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,921.28 : 1,226,757.12 = 496,507.52 : x
  2. Step 2: Convert to fraction form
    888,921.28/1,226,757.12 = 496,507.52/x
  3. Step 3: Cross multiply
    888,921.28x = 1,226,757.12 × 496,507.52
  4. Step 4: Simplify right side
    888,921.28x = 609,094,135,293.54
  5. Step 5: Solve for x
    x = 609,094,135,293.54/888,921.28
  6. Step 6: Final answer
    x = 685,205.93

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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.