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Finding the Fourth Proportional to 460,755.59, 635,816.18 and 256,799.75

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Solution

The fourth proportional to 460,755.59, 635,816.18 and 256,799.75 is: 354,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,755.59 : 635,816.18 = 256,799.75 : x
  2. Step 2: Convert to fraction form
    460,755.59/635,816.18 = 256,799.75/x
  3. Step 3: Cross multiply
    460,755.59x = 635,816.18 × 256,799.75
  4. Step 4: Simplify right side
    460,755.59x = 163,277,433,532.87
  5. Step 5: Solve for x
    x = 163,277,433,532.87/460,755.59
  6. Step 6: Final answer
    x = 354,368.86

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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.