Home / 827,961.60-1,143,022.08-557,451.84

Finding the Fourth Proportional to 827,961.60, 1,143,022.08 and 557,451.84

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Solution

The fourth proportional to 827,961.60, 1,143,022.08 and 557,451.84 is: 769,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,961.60 : 1,143,022.08 = 557,451.84 : x
  2. Step 2: Convert to fraction form
    827,961.60/1,143,022.08 = 557,451.84/x
  3. Step 3: Cross multiply
    827,961.60x = 1,143,022.08 × 557,451.84
  4. Step 4: Simplify right side
    827,961.60x = 637,179,761,656.63
  5. Step 5: Solve for x
    x = 637,179,761,656.63/827,961.60
  6. Step 6: Final answer
    x = 769,576.47

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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.