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Finding the Fourth Proportional to 460,754.22, 635,843.96 and 256,818.26

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Solution

The fourth proportional to 460,754.22, 635,843.96 and 256,818.26 is: 354,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,754.22 : 635,843.96 = 256,818.26 : x
  2. Step 2: Convert to fraction form
    460,754.22/635,843.96 = 256,818.26/x
  3. Step 3: Cross multiply
    460,754.22x = 635,843.96 × 256,818.26
  4. Step 4: Simplify right side
    460,754.22x = 163,296,334,975.40
  5. Step 5: Solve for x
    x = 163,296,334,975.40/460,754.22
  6. Step 6: Final answer
    x = 354,410.94

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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.