Home / 449,947.86-621,084.41-259,037.34

Finding the Fourth Proportional to 449,947.86, 621,084.41 and 259,037.34

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Solution

The fourth proportional to 449,947.86, 621,084.41 and 259,037.34 is: 357,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,947.86 : 621,084.41 = 259,037.34 : x
  2. Step 2: Convert to fraction form
    449,947.86/621,084.41 = 259,037.34/x
  3. Step 3: Cross multiply
    449,947.86x = 621,084.41 × 259,037.34
  4. Step 4: Simplify right side
    449,947.86x = 160,884,053,481.87
  5. Step 5: Solve for x
    x = 160,884,053,481.87/449,947.86
  6. Step 6: Final answer
    x = 357,561.55

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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.