Home / 881,039.52-1,321,763.04-312,390.48

Finding the Fourth Proportional to 881,039.52, 1,321,763.04 and 312,390.48

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Solution

The fourth proportional to 881,039.52, 1,321,763.04 and 312,390.48 is: 468,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,039.52 : 1,321,763.04 = 312,390.48 : x
  2. Step 2: Convert to fraction form
    881,039.52/1,321,763.04 = 312,390.48/x
  3. Step 3: Cross multiply
    881,039.52x = 1,321,763.04 × 312,390.48
  4. Step 4: Simplify right side
    881,039.52x = 412,906,190,511.86
  5. Step 5: Solve for x
    x = 412,906,190,511.86/881,039.52
  6. Step 6: Final answer
    x = 468,657.97

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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.