Home / 888,107.18-1,331,959.86-407,873.30

Finding the Fourth Proportional to 888,107.18, 1,331,959.86 and 407,873.30

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Solution

The fourth proportional to 888,107.18, 1,331,959.86 and 407,873.30 is: 611,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,107.18 : 1,331,959.86 = 407,873.30 : x
  2. Step 2: Convert to fraction form
    888,107.18/1,331,959.86 = 407,873.30/x
  3. Step 3: Cross multiply
    888,107.18x = 1,331,959.86 × 407,873.30
  4. Step 4: Simplify right side
    888,107.18x = 543,270,862,868.69
  5. Step 5: Solve for x
    x = 543,270,862,868.69/888,107.18
  6. Step 6: Final answer
    x = 611,717.68

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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.