Home / 839,591.28-1,259,874.78-353,237.79

Finding the Fourth Proportional to 839,591.28, 1,259,874.78 and 353,237.79

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Solution

The fourth proportional to 839,591.28, 1,259,874.78 and 353,237.79 is: 530,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,591.28 : 1,259,874.78 = 353,237.79 : x
  2. Step 2: Convert to fraction form
    839,591.28/1,259,874.78 = 353,237.79/x
  3. Step 3: Cross multiply
    839,591.28x = 1,259,874.78 × 353,237.79
  4. Step 4: Simplify right side
    839,591.28x = 445,035,382,963.94
  5. Step 5: Solve for x
    x = 445,035,382,963.94/839,591.28
  6. Step 6: Final answer
    x = 530,061.94

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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.