Home / 781,340.27-1,171,998.25-248,856.80

Finding the Fourth Proportional to 781,340.27, 1,171,998.25 and 248,856.80

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Solution

The fourth proportional to 781,340.27, 1,171,998.25 and 248,856.80 is: 373,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,340.27 : 1,171,998.25 = 248,856.80 : x
  2. Step 2: Convert to fraction form
    781,340.27/1,171,998.25 = 248,856.80/x
  3. Step 3: Cross multiply
    781,340.27x = 1,171,998.25 × 248,856.80
  4. Step 4: Simplify right side
    781,340.27x = 291,659,727,618.47
  5. Step 5: Solve for x
    x = 291,659,727,618.47/781,340.27
  6. Step 6: Final answer
    x = 373,281.32

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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.