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Finding the Fourth Proportional to 471,317.81, 650,415.56 and 256,458.69

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Solution

The fourth proportional to 471,317.81, 650,415.56 and 256,458.69 is: 353,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,317.81 : 650,415.56 = 256,458.69 : x
  2. Step 2: Convert to fraction form
    471,317.81/650,415.56 = 256,458.69/x
  3. Step 3: Cross multiply
    471,317.81x = 650,415.56 × 256,458.69
  4. Step 4: Simplify right side
    471,317.81x = 166,804,721,190.92
  5. Step 5: Solve for x
    x = 166,804,721,190.92/471,317.81
  6. Step 6: Final answer
    x = 353,911.35

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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.