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Finding the Fourth Proportional to 471,359.44, 650,489.72 and 256,513.36

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Solution

The fourth proportional to 471,359.44, 650,489.72 and 256,513.36 is: 353,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,359.44 : 650,489.72 = 256,513.36 : x
  2. Step 2: Convert to fraction form
    471,359.44/650,489.72 = 256,513.36/x
  3. Step 3: Cross multiply
    471,359.44x = 650,489.72 × 256,513.36
  4. Step 4: Simplify right side
    471,359.44x = 166,859,302,440.09
  5. Step 5: Solve for x
    x = 166,859,302,440.09/471,359.44
  6. Step 6: Final answer
    x = 353,995.89

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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.