Home / 525,401.37-725,012.78-295,948.62

Finding the Fourth Proportional to 525,401.37, 725,012.78 and 295,948.62

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Solution

The fourth proportional to 525,401.37, 725,012.78 and 295,948.62 is: 408,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,401.37 : 725,012.78 = 295,948.62 : x
  2. Step 2: Convert to fraction form
    525,401.37/725,012.78 = 295,948.62/x
  3. Step 3: Cross multiply
    525,401.37x = 725,012.78 × 295,948.62
  4. Step 4: Simplify right side
    525,401.37x = 214,566,530,243.62
  5. Step 5: Solve for x
    x = 214,566,530,243.62/525,401.37
  6. Step 6: Final answer
    x = 408,385.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.