Home / 460,776.96-635,845.66-256,821.12

Finding the Fourth Proportional to 460,776.96, 635,845.66 and 256,821.12

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Solution

The fourth proportional to 460,776.96, 635,845.66 and 256,821.12 is: 354,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,776.96 : 635,845.66 = 256,821.12 : x
  2. Step 2: Convert to fraction form
    460,776.96/635,845.66 = 256,821.12/x
  3. Step 3: Cross multiply
    460,776.96x = 635,845.66 × 256,821.12
  4. Step 4: Simplify right side
    460,776.96x = 163,298,594,548.34
  5. Step 5: Solve for x
    x = 163,298,594,548.34/460,776.96
  6. Step 6: Final answer
    x = 354,398.35

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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.