Home / 827,422.74-1,141,966.89-505,318.14

Finding the Fourth Proportional to 827,422.74, 1,141,966.89 and 505,318.14

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Solution

The fourth proportional to 827,422.74, 1,141,966.89 and 505,318.14 is: 697,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,422.74 : 1,141,966.89 = 505,318.14 : x
  2. Step 2: Convert to fraction form
    827,422.74/1,141,966.89 = 505,318.14/x
  3. Step 3: Cross multiply
    827,422.74x = 1,141,966.89 × 505,318.14
  4. Step 4: Simplify right side
    827,422.74x = 577,056,584,796.39
  5. Step 5: Solve for x
    x = 577,056,584,796.39/827,422.74
  6. Step 6: Final answer
    x = 697,414.46

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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.