Home / 811,249.49-1,119,869-505,476.94

Finding the Fourth Proportional to 811,249.49, 1,119,869 and 505,476.94

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Solution

The fourth proportional to 811,249.49, 1,119,869 and 505,476.94 is: 697,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,249.49 : 1,119,869 = 505,476.94 : x
  2. Step 2: Convert to fraction form
    811,249.49/1,119,869 = 505,476.94/x
  3. Step 3: Cross multiply
    811,249.49x = 1,119,869 × 505,476.94
  4. Step 4: Simplify right side
    811,249.49x = 566,067,955,320.86
  5. Step 5: Solve for x
    x = 566,067,955,320.86/811,249.49
  6. Step 6: Final answer
    x = 697,772.96

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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.