Home / 489,101.08-674,966.34-295,481.86

Finding the Fourth Proportional to 489,101.08, 674,966.34 and 295,481.86

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Solution

The fourth proportional to 489,101.08, 674,966.34 and 295,481.86 is: 407,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,101.08 : 674,966.34 = 295,481.86 : x
  2. Step 2: Convert to fraction form
    489,101.08/674,966.34 = 295,481.86/x
  3. Step 3: Cross multiply
    489,101.08x = 674,966.34 × 295,481.86
  4. Step 4: Simplify right side
    489,101.08x = 199,440,309,580.59
  5. Step 5: Solve for x
    x = 199,440,309,580.59/489,101.08
  6. Step 6: Final answer
    x = 407,769.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.