Home / 558,139.17-836,245.84-305,601.42

Finding the Fourth Proportional to 558,139.17, 836,245.84 and 305,601.42

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Solution

The fourth proportional to 558,139.17, 836,245.84 and 305,601.42 is: 457,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,139.17 : 836,245.84 = 305,601.42 : x
  2. Step 2: Convert to fraction form
    558,139.17/836,245.84 = 305,601.42/x
  3. Step 3: Cross multiply
    558,139.17x = 836,245.84 × 305,601.42
  4. Step 4: Simplify right side
    558,139.17x = 255,557,916,173.09
  5. Step 5: Solve for x
    x = 255,557,916,173.09/558,139.17
  6. Step 6: Final answer
    x = 457,874.90

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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.