Home / 505,846.10-698,046.80-276,411.26

Finding the Fourth Proportional to 505,846.10, 698,046.80 and 276,411.26

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Solution

The fourth proportional to 505,846.10, 698,046.80 and 276,411.26 is: 381,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,846.10 : 698,046.80 = 276,411.26 : x
  2. Step 2: Convert to fraction form
    505,846.10/698,046.80 = 276,411.26/x
  3. Step 3: Cross multiply
    505,846.10x = 698,046.80 × 276,411.26
  4. Step 4: Simplify right side
    505,846.10x = 192,947,995,890.03
  5. Step 5: Solve for x
    x = 192,947,995,890.03/505,846.10
  6. Step 6: Final answer
    x = 381,436.16

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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.