Home / 501,237.75-691,556.95-307,446.31

Finding the Fourth Proportional to 501,237.75, 691,556.95 and 307,446.31

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Solution

The fourth proportional to 501,237.75, 691,556.95 and 307,446.31 is: 424,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,237.75 : 691,556.95 = 307,446.31 : x
  2. Step 2: Convert to fraction form
    501,237.75/691,556.95 = 307,446.31/x
  3. Step 3: Cross multiply
    501,237.75x = 691,556.95 × 307,446.31
  4. Step 4: Simplify right side
    501,237.75x = 212,616,632,432.36
  5. Step 5: Solve for x
    x = 212,616,632,432.36/501,237.75
  6. Step 6: Final answer
    x = 424,183.20

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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.