Home / 460,481.08-635,454.34-256,531.72

Finding the Fourth Proportional to 460,481.08, 635,454.34 and 256,531.72

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Solution

The fourth proportional to 460,481.08, 635,454.34 and 256,531.72 is: 354,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,481.08 : 635,454.34 = 256,531.72 : x
  2. Step 2: Convert to fraction form
    460,481.08/635,454.34 = 256,531.72/x
  3. Step 3: Cross multiply
    460,481.08x = 635,454.34 × 256,531.72
  4. Step 4: Simplify right side
    460,481.08x = 163,014,194,821.67
  5. Step 5: Solve for x
    x = 163,014,194,821.67/460,481.08
  6. Step 6: Final answer
    x = 354,008.45

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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.