Home / 427,579.05-589,965.37-255,471.17

Finding the Fourth Proportional to 427,579.05, 589,965.37 and 255,471.17

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Solution

The fourth proportional to 427,579.05, 589,965.37 and 255,471.17 is: 352,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,579.05 : 589,965.37 = 255,471.17 : x
  2. Step 2: Convert to fraction form
    427,579.05/589,965.37 = 255,471.17/x
  3. Step 3: Cross multiply
    427,579.05x = 589,965.37 × 255,471.17
  4. Step 4: Simplify right side
    427,579.05x = 150,719,141,181.90
  5. Step 5: Solve for x
    x = 150,719,141,181.90/427,579.05
  6. Step 6: Final answer
    x = 352,494.21

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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.