Home / 520,829.24-781,163.27-200,934.45

Finding the Fourth Proportional to 520,829.24, 781,163.27 and 200,934.45

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Solution

The fourth proportional to 520,829.24, 781,163.27 and 200,934.45 is: 301,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,829.24 : 781,163.27 = 200,934.45 : x
  2. Step 2: Convert to fraction form
    520,829.24/781,163.27 = 200,934.45/x
  3. Step 3: Cross multiply
    520,829.24x = 781,163.27 × 200,934.45
  4. Step 4: Simplify right side
    520,829.24x = 156,962,611,012.98
  5. Step 5: Solve for x
    x = 156,962,611,012.98/520,829.24
  6. Step 6: Final answer
    x = 301,370.58

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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.