Home / 460,669.43-635,724.41-256,715.87

Finding the Fourth Proportional to 460,669.43, 635,724.41 and 256,715.87

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Solution

The fourth proportional to 460,669.43, 635,724.41 and 256,715.87 is: 354,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,669.43 : 635,724.41 = 256,715.87 : x
  2. Step 2: Convert to fraction form
    460,669.43/635,724.41 = 256,715.87/x
  3. Step 3: Cross multiply
    460,669.43x = 635,724.41 × 256,715.87
  4. Step 4: Simplify right side
    460,669.43x = 163,200,544,993.39
  5. Step 5: Solve for x
    x = 163,200,544,993.39/460,669.43
  6. Step 6: Final answer
    x = 354,268.23

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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.