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Finding the Fourth Proportional to 471,371.40, 650,498.58 and 256,517.28

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Solution

The fourth proportional to 471,371.40, 650,498.58 and 256,517.28 is: 353,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,371.40 : 650,498.58 = 256,517.28 : x
  2. Step 2: Convert to fraction form
    471,371.40/650,498.58 = 256,517.28/x
  3. Step 3: Cross multiply
    471,371.40x = 650,498.58 × 256,517.28
  4. Step 4: Simplify right side
    471,371.40x = 166,864,126,385.46
  5. Step 5: Solve for x
    x = 166,864,126,385.46/471,371.40
  6. Step 6: Final answer
    x = 353,997.14

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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.