Home / 460,601.30-690,901.85-179,921.72

Finding the Fourth Proportional to 460,601.30, 690,901.85 and 179,921.72

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Solution

The fourth proportional to 460,601.30, 690,901.85 and 179,921.72 is: 269,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,601.30 : 690,901.85 = 179,921.72 : x
  2. Step 2: Convert to fraction form
    460,601.30/690,901.85 = 179,921.72/x
  3. Step 3: Cross multiply
    460,601.30x = 690,901.85 × 179,921.72
  4. Step 4: Simplify right side
    460,601.30x = 124,308,251,380.24
  5. Step 5: Solve for x
    x = 124,308,251,380.24/460,601.30
  6. Step 6: Final answer
    x = 269,882.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.