Home / 558,462.84-836,958.15-221,319.53

Finding the Fourth Proportional to 558,462.84, 836,958.15 and 221,319.53

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Solution

The fourth proportional to 558,462.84, 836,958.15 and 221,319.53 is: 331,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,462.84 : 836,958.15 = 221,319.53 : x
  2. Step 2: Convert to fraction form
    558,462.84/836,958.15 = 221,319.53/x
  3. Step 3: Cross multiply
    558,462.84x = 836,958.15 × 221,319.53
  4. Step 4: Simplify right side
    558,462.84x = 185,235,185,046.12
  5. Step 5: Solve for x
    x = 185,235,185,046.12/558,462.84
  6. Step 6: Final answer
    x = 331,687.58

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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.