Home / 648,579.56-972,343.44-269,783.66

Finding the Fourth Proportional to 648,579.56, 972,343.44 and 269,783.66

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Solution

The fourth proportional to 648,579.56, 972,343.44 and 269,783.66 is: 404,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,579.56 : 972,343.44 = 269,783.66 : x
  2. Step 2: Convert to fraction form
    648,579.56/972,343.44 = 269,783.66/x
  3. Step 3: Cross multiply
    648,579.56x = 972,343.44 × 269,783.66
  4. Step 4: Simplify right side
    648,579.56x = 262,322,374,451.05
  5. Step 5: Solve for x
    x = 262,322,374,451.05/648,579.56
  6. Step 6: Final answer
    x = 404,456.74

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Double scale
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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.