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Finding the Fourth Proportional to 471,376.64, 650,480.40 and 256,517.60

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Solution

The fourth proportional to 471,376.64, 650,480.40 and 256,517.60 is: 353,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,376.64 : 650,480.40 = 256,517.60 : x
  2. Step 2: Convert to fraction form
    471,376.64/650,480.40 = 256,517.60/x
  3. Step 3: Cross multiply
    471,376.64x = 650,480.40 × 256,517.60
  4. Step 4: Simplify right side
    471,376.64x = 166,859,671,055.04
  5. Step 5: Solve for x
    x = 166,859,671,055.04/471,376.64
  6. Step 6: Final answer
    x = 353,983.75

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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.