Home / 577,974.13-867,090.37-278,706.42

Finding the Fourth Proportional to 577,974.13, 867,090.37 and 278,706.42

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Solution

The fourth proportional to 577,974.13, 867,090.37 and 278,706.42 is: 418,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,974.13 : 867,090.37 = 278,706.42 : x
  2. Step 2: Convert to fraction form
    577,974.13/867,090.37 = 278,706.42/x
  3. Step 3: Cross multiply
    577,974.13x = 867,090.37 × 278,706.42
  4. Step 4: Simplify right side
    577,974.13x = 241,663,652,664.98
  5. Step 5: Solve for x
    x = 241,663,652,664.98/577,974.13
  6. Step 6: Final answer
    x = 418,121.92

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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.