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Finding the Fourth Proportional to 460,465.09, 635,432.25 and 256,515.73

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Solution

The fourth proportional to 460,465.09, 635,432.25 and 256,515.73 is: 353,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,465.09 : 635,432.25 = 256,515.73 : x
  2. Step 2: Convert to fraction form
    460,465.09/635,432.25 = 256,515.73/x
  3. Step 3: Cross multiply
    460,465.09x = 635,432.25 × 256,515.73
  4. Step 4: Simplify right side
    460,465.09x = 162,998,367,474.29
  5. Step 5: Solve for x
    x = 162,998,367,474.29/460,465.09
  6. Step 6: Final answer
    x = 353,986.37

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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.