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Finding the Fourth Proportional to 460,784.16, 635,805.11 and 256,790.39

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Solution

The fourth proportional to 460,784.16, 635,805.11 and 256,790.39 is: 354,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,784.16 : 635,805.11 = 256,790.39 : x
  2. Step 2: Convert to fraction form
    460,784.16/635,805.11 = 256,790.39/x
  3. Step 3: Cross multiply
    460,784.16x = 635,805.11 × 256,790.39
  4. Step 4: Simplify right side
    460,784.16x = 163,268,639,623.84
  5. Step 5: Solve for x
    x = 163,268,639,623.84/460,784.16
  6. Step 6: Final answer
    x = 354,327.80

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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.