Home / 577,976.14-867,093.36-278,708.42

Finding the Fourth Proportional to 577,976.14, 867,093.36 and 278,708.42

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Solution

The fourth proportional to 577,976.14, 867,093.36 and 278,708.42 is: 418,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,976.14 : 867,093.36 = 278,708.42 : x
  2. Step 2: Convert to fraction form
    577,976.14/867,093.36 = 278,708.42/x
  3. Step 3: Cross multiply
    577,976.14x = 867,093.36 × 278,708.42
  4. Step 4: Simplify right side
    577,976.14x = 241,666,220,358.09
  5. Step 5: Solve for x
    x = 241,666,220,358.09/577,976.14
  6. Step 6: Final answer
    x = 418,124.91

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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.