Home / 893,744.80-1,339,861.92-387,923.20

Finding the Fourth Proportional to 893,744.80, 1,339,861.92 and 387,923.20

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Solution

The fourth proportional to 893,744.80, 1,339,861.92 and 387,923.20 is: 581,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,744.80 : 1,339,861.92 = 387,923.20 : x
  2. Step 2: Convert to fraction form
    893,744.80/1,339,861.92 = 387,923.20/x
  3. Step 3: Cross multiply
    893,744.80x = 1,339,861.92 × 387,923.20
  4. Step 4: Simplify right side
    893,744.80x = 519,763,523,564.54
  5. Step 5: Solve for x
    x = 519,763,523,564.54/893,744.80
  6. Step 6: Final answer
    x = 581,556.98

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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.