Home / 558,137.61-836,243.51-305,599.86

Finding the Fourth Proportional to 558,137.61, 836,243.51 and 305,599.86

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Solution

The fourth proportional to 558,137.61, 836,243.51 and 305,599.86 is: 457,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,137.61 : 836,243.51 = 305,599.86 : x
  2. Step 2: Convert to fraction form
    558,137.61/836,243.51 = 305,599.86/x
  3. Step 3: Cross multiply
    558,137.61x = 836,243.51 × 305,599.86
  4. Step 4: Simplify right side
    558,137.61x = 255,555,898,053.91
  5. Step 5: Solve for x
    x = 255,555,898,053.91/558,137.61
  6. Step 6: Final answer
    x = 457,872.56

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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.