Home / 501,120.96-691,575.24-297,292.56

Finding the Fourth Proportional to 501,120.96, 691,575.24 and 297,292.56

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Solution

The fourth proportional to 501,120.96, 691,575.24 and 297,292.56 is: 410,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,120.96 : 691,575.24 = 297,292.56 : x
  2. Step 2: Convert to fraction form
    501,120.96/691,575.24 = 297,292.56/x
  3. Step 3: Cross multiply
    501,120.96x = 691,575.24 × 297,292.56
  4. Step 4: Simplify right side
    501,120.96x = 205,600,173,532.21
  5. Step 5: Solve for x
    x = 205,600,173,532.21/501,120.96
  6. Step 6: Final answer
    x = 410,280.53

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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.