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Finding the Fourth Proportional to 471,695.07, 650,933.54 and 256,835.08

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Solution

The fourth proportional to 471,695.07, 650,933.54 and 256,835.08 is: 354,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,695.07 : 650,933.54 = 256,835.08 : x
  2. Step 2: Convert to fraction form
    471,695.07/650,933.54 = 256,835.08/x
  3. Step 3: Cross multiply
    471,695.07x = 650,933.54 × 256,835.08
  4. Step 4: Simplify right side
    471,695.07x = 167,182,567,820.58
  5. Step 5: Solve for x
    x = 167,182,567,820.58/471,695.07
  6. Step 6: Final answer
    x = 354,429.33

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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.