Home / 726,628.38-1,088,367.21-351,865.50

Finding the Fourth Proportional to 726,628.38, 1,088,367.21 and 351,865.50

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Solution

The fourth proportional to 726,628.38, 1,088,367.21 and 351,865.50 is: 527,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,628.38 : 1,088,367.21 = 351,865.50 : x
  2. Step 2: Convert to fraction form
    726,628.38/1,088,367.21 = 351,865.50/x
  3. Step 3: Cross multiply
    726,628.38x = 1,088,367.21 × 351,865.50
  4. Step 4: Simplify right side
    726,628.38x = 382,958,872,530.26
  5. Step 5: Solve for x
    x = 382,958,872,530.26/726,628.38
  6. Step 6: Final answer
    x = 527,035.39

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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.