Home / 981,504.54-1,354,468.23-551,786.58

Finding the Fourth Proportional to 981,504.54, 1,354,468.23 and 551,786.58

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Solution

The fourth proportional to 981,504.54, 1,354,468.23 and 551,786.58 is: 761,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,504.54 : 1,354,468.23 = 551,786.58 : x
  2. Step 2: Convert to fraction form
    981,504.54/1,354,468.23 = 551,786.58/x
  3. Step 3: Cross multiply
    981,504.54x = 1,354,468.23 × 551,786.58
  4. Step 4: Simplify right side
    981,504.54x = 747,377,392,350.35
  5. Step 5: Solve for x
    x = 747,377,392,350.35/981,504.54
  6. Step 6: Final answer
    x = 761,460.96

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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.