Home / 880,057.64-1,214,469.78-492,876.56

Finding the Fourth Proportional to 880,057.64, 1,214,469.78 and 492,876.56

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Solution

The fourth proportional to 880,057.64, 1,214,469.78 and 492,876.56 is: 680,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,057.64 : 1,214,469.78 = 492,876.56 : x
  2. Step 2: Convert to fraction form
    880,057.64/1,214,469.78 = 492,876.56/x
  3. Step 3: Cross multiply
    880,057.64x = 1,214,469.78 × 492,876.56
  4. Step 4: Simplify right side
    880,057.64x = 598,583,687,390.36
  5. Step 5: Solve for x
    x = 598,583,687,390.36/880,057.64
  6. Step 6: Final answer
    x = 680,164.18

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1.5x scale

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.