Home / 809,481.72-1,214,010.90-240,709.74

Finding the Fourth Proportional to 809,481.72, 1,214,010.90 and 240,709.74

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Solution

The fourth proportional to 809,481.72, 1,214,010.90 and 240,709.74 is: 361,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,481.72 : 1,214,010.90 = 240,709.74 : x
  2. Step 2: Convert to fraction form
    809,481.72/1,214,010.90 = 240,709.74/x
  3. Step 3: Cross multiply
    809,481.72x = 1,214,010.90 × 240,709.74
  4. Step 4: Simplify right side
    809,481.72x = 292,224,248,096.17
  5. Step 5: Solve for x
    x = 292,224,248,096.17/809,481.72
  6. Step 6: Final answer
    x = 361,001.66

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1.5x scale

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.