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Finding the Fourth Proportional to 471,464.72, 650,621.26 and 256,606.32

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Solution

The fourth proportional to 471,464.72, 650,621.26 and 256,606.32 is: 354,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,464.72 : 650,621.26 = 256,606.32 : x
  2. Step 2: Convert to fraction form
    471,464.72/650,621.26 = 256,606.32/x
  3. Step 3: Cross multiply
    471,464.72x = 650,621.26 × 256,606.32
  4. Step 4: Simplify right side
    471,464.72x = 166,953,527,242.36
  5. Step 5: Solve for x
    x = 166,953,527,242.36/471,464.72
  6. Step 6: Final answer
    x = 354,116.69

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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.