Home / 449,947.36-621,083.72-259,036.84

Finding the Fourth Proportional to 449,947.36, 621,083.72 and 259,036.84

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Solution

The fourth proportional to 449,947.36, 621,083.72 and 259,036.84 is: 357,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,947.36 : 621,083.72 = 259,036.84 : x
  2. Step 2: Convert to fraction form
    449,947.36/621,083.72 = 259,036.84/x
  3. Step 3: Cross multiply
    449,947.36x = 621,083.72 × 259,036.84
  4. Step 4: Simplify right side
    449,947.36x = 160,883,564,204.25
  5. Step 5: Solve for x
    x = 160,883,564,204.25/449,947.36
  6. Step 6: Final answer
    x = 357,560.86

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1.5x scale

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.