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Finding the Fourth Proportional to 460,668.43, 635,723.03 and 256,714.87

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Solution

The fourth proportional to 460,668.43, 635,723.03 and 256,714.87 is: 354,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,668.43 : 635,723.03 = 256,714.87 : x
  2. Step 2: Convert to fraction form
    460,668.43/635,723.03 = 256,714.87/x
  3. Step 3: Cross multiply
    460,668.43x = 635,723.03 × 256,714.87
  4. Step 4: Simplify right side
    460,668.43x = 163,199,555,246.92
  5. Step 5: Solve for x
    x = 163,199,555,246.92/460,668.43
  6. Step 6: Final answer
    x = 354,266.86

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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.