Home / 925,687.70-1,388,259.39-393,204.50

Finding the Fourth Proportional to 925,687.70, 1,388,259.39 and 393,204.50

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Solution

The fourth proportional to 925,687.70, 1,388,259.39 and 393,204.50 is: 589,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,687.70 : 1,388,259.39 = 393,204.50 : x
  2. Step 2: Convert to fraction form
    925,687.70/1,388,259.39 = 393,204.50/x
  3. Step 3: Cross multiply
    925,687.70x = 1,388,259.39 × 393,204.50
  4. Step 4: Simplify right side
    925,687.70x = 545,869,839,315.26
  5. Step 5: Solve for x
    x = 545,869,839,315.26/925,687.70
  6. Step 6: Final answer
    x = 589,691.14

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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.