Home / 563,273.70-844,634.07-278,635.38

Finding the Fourth Proportional to 563,273.70, 844,634.07 and 278,635.38

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Solution

The fourth proportional to 563,273.70, 844,634.07 and 278,635.38 is: 417,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,273.70 : 844,634.07 = 278,635.38 : x
  2. Step 2: Convert to fraction form
    563,273.70/844,634.07 = 278,635.38/x
  3. Step 3: Cross multiply
    563,273.70x = 844,634.07 × 278,635.38
  4. Step 4: Simplify right side
    563,273.70x = 235,344,935,055.40
  5. Step 5: Solve for x
    x = 235,344,935,055.40/563,273.70
  6. Step 6: Final answer
    x = 417,816.30

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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.