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Finding the Fourth Proportional to 471,480.86, 650,643.09 and 256,620.42

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Solution

The fourth proportional to 471,480.86, 650,643.09 and 256,620.42 is: 354,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,480.86 : 650,643.09 = 256,620.42 : x
  2. Step 2: Convert to fraction form
    471,480.86/650,643.09 = 256,620.42/x
  3. Step 3: Cross multiply
    471,480.86x = 650,643.09 × 256,620.42
  4. Step 4: Simplify right side
    471,480.86x = 166,968,303,025.90
  5. Step 5: Solve for x
    x = 166,968,303,025.90/471,480.86
  6. Step 6: Final answer
    x = 354,135.91

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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.