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Finding the Fourth Proportional to 460,470.09, 635,439.15 and 256,520.73

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Solution

The fourth proportional to 460,470.09, 635,439.15 and 256,520.73 is: 353,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,470.09 : 635,439.15 = 256,520.73 : x
  2. Step 2: Convert to fraction form
    460,470.09/635,439.15 = 256,520.73/x
  3. Step 3: Cross multiply
    460,470.09x = 635,439.15 × 256,520.73
  4. Step 4: Simplify right side
    460,470.09x = 163,003,314,628.58
  5. Step 5: Solve for x
    x = 163,003,314,628.58/460,470.09
  6. Step 6: Final answer
    x = 353,993.27

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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.