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Finding the Fourth Proportional to 471,455.51, 650,622.39 and 256,609.49

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Solution

The fourth proportional to 471,455.51, 650,622.39 and 256,609.49 is: 354,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,455.51 : 650,622.39 = 256,609.49 : x
  2. Step 2: Convert to fraction form
    471,455.51/650,622.39 = 256,609.49/x
  3. Step 3: Cross multiply
    471,455.51x = 650,622.39 × 256,609.49
  4. Step 4: Simplify right side
    471,455.51x = 166,955,876,908.51
  5. Step 5: Solve for x
    x = 166,955,876,908.51/471,455.51
  6. Step 6: Final answer
    x = 354,128.60

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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.