Home / 952,027.20-1,427,144.64-320,499.84

Finding the Fourth Proportional to 952,027.20, 1,427,144.64 and 320,499.84

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Solution

The fourth proportional to 952,027.20, 1,427,144.64 and 320,499.84 is: 480,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,027.20 : 1,427,144.64 = 320,499.84 : x
  2. Step 2: Convert to fraction form
    952,027.20/1,427,144.64 = 320,499.84/x
  3. Step 3: Cross multiply
    952,027.20x = 1,427,144.64 × 320,499.84
  4. Step 4: Simplify right side
    952,027.20x = 457,399,628,776.86
  5. Step 5: Solve for x
    x = 457,399,628,776.86/952,027.20
  6. Step 6: Final answer
    x = 480,448.07

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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.