Home / 487,256.75-730,552.52-259,586.41

Finding the Fourth Proportional to 487,256.75, 730,552.52 and 259,586.41

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Solution

The fourth proportional to 487,256.75, 730,552.52 and 259,586.41 is: 389,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,256.75 : 730,552.52 = 259,586.41 : x
  2. Step 2: Convert to fraction form
    487,256.75/730,552.52 = 259,586.41/x
  3. Step 3: Cross multiply
    487,256.75x = 730,552.52 × 259,586.41
  4. Step 4: Simplify right side
    487,256.75x = 189,641,504,805.84
  5. Step 5: Solve for x
    x = 189,641,504,805.84/487,256.75
  6. Step 6: Final answer
    x = 389,202.42

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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.