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Finding the Fourth Proportional to 460,741.33, 635,874.78 and 256,810.87

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Solution

The fourth proportional to 460,741.33, 635,874.78 and 256,810.87 is: 354,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,741.33 : 635,874.78 = 256,810.87 : x
  2. Step 2: Convert to fraction form
    460,741.33/635,874.78 = 256,810.87/x
  3. Step 3: Cross multiply
    460,741.33x = 635,874.78 × 256,810.87
  4. Step 4: Simplify right side
    460,741.33x = 163,299,555,462.86
  5. Step 5: Solve for x
    x = 163,299,555,462.86/460,741.33
  6. Step 6: Final answer
    x = 354,427.84

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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.