Home / 676,856.80-1,014,896.40-203,471.20

Finding the Fourth Proportional to 676,856.80, 1,014,896.40 and 203,471.20

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Solution

The fourth proportional to 676,856.80, 1,014,896.40 and 203,471.20 is: 305,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,856.80 : 1,014,896.40 = 203,471.20 : x
  2. Step 2: Convert to fraction form
    676,856.80/1,014,896.40 = 203,471.20/x
  3. Step 3: Cross multiply
    676,856.80x = 1,014,896.40 × 203,471.20
  4. Step 4: Simplify right side
    676,856.80x = 206,502,188,383.68
  5. Step 5: Solve for x
    x = 206,502,188,383.68/676,856.80
  6. Step 6: Final answer
    x = 305,089.92

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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.