Home / 835,873.28-1,254,022.08-386,917.76

Finding the Fourth Proportional to 835,873.28, 1,254,022.08 and 386,917.76

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Solution

The fourth proportional to 835,873.28, 1,254,022.08 and 386,917.76 is: 580,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,873.28 : 1,254,022.08 = 386,917.76 : x
  2. Step 2: Convert to fraction form
    835,873.28/1,254,022.08 = 386,917.76/x
  3. Step 3: Cross multiply
    835,873.28x = 1,254,022.08 × 386,917.76
  4. Step 4: Simplify right side
    835,873.28x = 485,203,414,184.14
  5. Step 5: Solve for x
    x = 485,203,414,184.14/835,873.28
  6. Step 6: Final answer
    x = 580,474.85

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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.