Home / 427,932.11-590,504.81-255,815.57

Finding the Fourth Proportional to 427,932.11, 590,504.81 and 255,815.57

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Solution

The fourth proportional to 427,932.11, 590,504.81 and 255,815.57 is: 353,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,932.11 : 590,504.81 = 255,815.57 : x
  2. Step 2: Convert to fraction form
    427,932.11/590,504.81 = 255,815.57/x
  3. Step 3: Cross multiply
    427,932.11x = 590,504.81 × 255,815.57
  4. Step 4: Simplify right side
    427,932.11x = 151,060,324,755.08
  5. Step 5: Solve for x
    x = 151,060,324,755.08/427,932.11
  6. Step 6: Final answer
    x = 353,000.68

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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.