Home / 578,917.78-868,460.80-179,590.38

Finding the Fourth Proportional to 578,917.78, 868,460.80 and 179,590.38

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Solution

The fourth proportional to 578,917.78, 868,460.80 and 179,590.38 is: 269,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,917.78 : 868,460.80 = 179,590.38 : x
  2. Step 2: Convert to fraction form
    578,917.78/868,460.80 = 179,590.38/x
  3. Step 3: Cross multiply
    578,917.78x = 868,460.80 × 179,590.38
  4. Step 4: Simplify right side
    578,917.78x = 155,967,205,087.10
  5. Step 5: Solve for x
    x = 155,967,205,087.10/578,917.78
  6. Step 6: Final answer
    x = 269,411.67

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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.