Home / 994,789.58-1,372,811.37-542,080.58

Finding the Fourth Proportional to 994,789.58, 1,372,811.37 and 542,080.58

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Solution

The fourth proportional to 994,789.58, 1,372,811.37 and 542,080.58 is: 748,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,789.58 : 1,372,811.37 = 542,080.58 : x
  2. Step 2: Convert to fraction form
    994,789.58/1,372,811.37 = 542,080.58/x
  3. Step 3: Cross multiply
    994,789.58x = 1,372,811.37 × 542,080.58
  4. Step 4: Simplify right side
    994,789.58x = 744,174,383,680.20
  5. Step 5: Solve for x
    x = 744,174,383,680.20/994,789.58
  6. Step 6: Final answer
    x = 748,072.15

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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.