Home / 880,856.80-1,321,285.20-216,008.80

Finding the Fourth Proportional to 880,856.80, 1,321,285.20 and 216,008.80

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Solution

The fourth proportional to 880,856.80, 1,321,285.20 and 216,008.80 is: 324,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,856.80 : 1,321,285.20 = 216,008.80 : x
  2. Step 2: Convert to fraction form
    880,856.80/1,321,285.20 = 216,008.80/x
  3. Step 3: Cross multiply
    880,856.80x = 1,321,285.20 × 216,008.80
  4. Step 4: Simplify right side
    880,856.80x = 285,409,230,509.76
  5. Step 5: Solve for x
    x = 285,409,230,509.76/880,856.80
  6. Step 6: Final answer
    x = 324,013.20

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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.