Home / 460,839.60-635,961.78-256,903.47

Finding the Fourth Proportional to 460,839.60, 635,961.78 and 256,903.47

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Solution

The fourth proportional to 460,839.60, 635,961.78 and 256,903.47 is: 354,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,839.60 : 635,961.78 = 256,903.47 : x
  2. Step 2: Convert to fraction form
    460,839.60/635,961.78 = 256,903.47/x
  3. Step 3: Cross multiply
    460,839.60x = 635,961.78 × 256,903.47
  4. Step 4: Simplify right side
    460,839.60x = 163,380,788,069.38
  5. Step 5: Solve for x
    x = 163,380,788,069.38/460,839.60
  6. Step 6: Final answer
    x = 354,528.53

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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.