Home / 501,912.18-692,630.19-275,556.06

Finding the Fourth Proportional to 501,912.18, 692,630.19 and 275,556.06

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Solution

The fourth proportional to 501,912.18, 692,630.19 and 275,556.06 is: 380,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,912.18 : 692,630.19 = 275,556.06 : x
  2. Step 2: Convert to fraction form
    501,912.18/692,630.19 = 275,556.06/x
  3. Step 3: Cross multiply
    501,912.18x = 692,630.19 × 275,556.06
  4. Step 4: Simplify right side
    501,912.18x = 190,858,446,193.45
  5. Step 5: Solve for x
    x = 190,858,446,193.45/501,912.18
  6. Step 6: Final answer
    x = 380,262.63

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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.