Home / 558,949.79-838,438.47-203,963.70

Finding the Fourth Proportional to 558,949.79, 838,438.47 and 203,963.70

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Solution

The fourth proportional to 558,949.79, 838,438.47 and 203,963.70 is: 305,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,949.79 : 838,438.47 = 203,963.70 : x
  2. Step 2: Convert to fraction form
    558,949.79/838,438.47 = 203,963.70/x
  3. Step 3: Cross multiply
    558,949.79x = 838,438.47 × 203,963.70
  4. Step 4: Simplify right side
    558,949.79x = 171,011,008,059.71
  5. Step 5: Solve for x
    x = 171,011,008,059.71/558,949.79
  6. Step 6: Final answer
    x = 305,950.57

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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.