Home / 460,819.78-635,922.18-256,858.53

Finding the Fourth Proportional to 460,819.78, 635,922.18 and 256,858.53

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Solution

The fourth proportional to 460,819.78, 635,922.18 and 256,858.53 is: 354,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,819.78 : 635,922.18 = 256,858.53 : x
  2. Step 2: Convert to fraction form
    460,819.78/635,922.18 = 256,858.53/x
  3. Step 3: Cross multiply
    460,819.78x = 635,922.18 × 256,858.53
  4. Step 4: Simplify right side
    460,819.78x = 163,342,033,964.49
  5. Step 5: Solve for x
    x = 163,342,033,964.49/460,819.78
  6. Step 6: Final answer
    x = 354,459.69

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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.