Home / 505,904.64-758,966.40-269,212.56

Finding the Fourth Proportional to 505,904.64, 758,966.40 and 269,212.56

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Solution

The fourth proportional to 505,904.64, 758,966.40 and 269,212.56 is: 403,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,904.64 : 758,966.40 = 269,212.56 : x
  2. Step 2: Convert to fraction form
    505,904.64/758,966.40 = 269,212.56/x
  3. Step 3: Cross multiply
    505,904.64x = 758,966.40 × 269,212.56
  4. Step 4: Simplify right side
    505,904.64x = 204,323,287,497.98
  5. Step 5: Solve for x
    x = 204,323,287,497.98/505,904.64
  6. Step 6: Final answer
    x = 403,877.08

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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.