Home / 677,010.62-1,009,463.27-658,410.18

Finding the Fourth Proportional to 677,010.62, 1,009,463.27 and 658,410.18

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Solution

The fourth proportional to 677,010.62, 1,009,463.27 and 658,410.18 is: 981,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,010.62 : 1,009,463.27 = 658,410.18 : x
  2. Step 2: Convert to fraction form
    677,010.62/1,009,463.27 = 658,410.18/x
  3. Step 3: Cross multiply
    677,010.62x = 1,009,463.27 × 658,410.18
  4. Step 4: Simplify right side
    677,010.62x = 664,640,890,012.04
  5. Step 5: Solve for x
    x = 664,640,890,012.04/677,010.62
  6. Step 6: Final answer
    x = 981,728.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.