Home / 843,897.80-1,265,710.26-311,669.48

Finding the Fourth Proportional to 843,897.80, 1,265,710.26 and 311,669.48

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Solution

The fourth proportional to 843,897.80, 1,265,710.26 and 311,669.48 is: 467,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,897.80 : 1,265,710.26 = 311,669.48 : x
  2. Step 2: Convert to fraction form
    843,897.80/1,265,710.26 = 311,669.48/x
  3. Step 3: Cross multiply
    843,897.80x = 1,265,710.26 × 311,669.48
  4. Step 4: Simplify right side
    843,897.80x = 394,483,258,564.87
  5. Step 5: Solve for x
    x = 394,483,258,564.87/843,897.80
  6. Step 6: Final answer
    x = 467,453.83

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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.