Home / 579,047.76-868,529.79-179,678.34

Finding the Fourth Proportional to 579,047.76, 868,529.79 and 179,678.34

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Solution

The fourth proportional to 579,047.76, 868,529.79 and 179,678.34 is: 269,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,047.76 : 868,529.79 = 179,678.34 : x
  2. Step 2: Convert to fraction form
    579,047.76/868,529.79 = 179,678.34/x
  3. Step 3: Cross multiply
    579,047.76x = 868,529.79 × 179,678.34
  4. Step 4: Simplify right side
    579,047.76x = 156,055,990,907.75
  5. Step 5: Solve for x
    x = 156,055,990,907.75/579,047.76
  6. Step 6: Final answer
    x = 269,504.52

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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.