Home / 888,790.56-1,333,289.76-312,236.88

Finding the Fourth Proportional to 888,790.56, 1,333,289.76 and 312,236.88

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Solution

The fourth proportional to 888,790.56, 1,333,289.76 and 312,236.88 is: 468,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,790.56 : 1,333,289.76 = 312,236.88 : x
  2. Step 2: Convert to fraction form
    888,790.56/1,333,289.76 = 312,236.88/x
  3. Step 3: Cross multiply
    888,790.56x = 1,333,289.76 × 312,236.88
  4. Step 4: Simplify right side
    888,790.56x = 416,302,234,798.35
  5. Step 5: Solve for x
    x = 416,302,234,798.35/888,790.56
  6. Step 6: Final answer
    x = 468,391.83

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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.