Home / 511,555.98-705,948.66-282,107.58

Finding the Fourth Proportional to 511,555.98, 705,948.66 and 282,107.58

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Solution

The fourth proportional to 511,555.98, 705,948.66 and 282,107.58 is: 389,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,555.98 : 705,948.66 = 282,107.58 : x
  2. Step 2: Convert to fraction form
    511,555.98/705,948.66 = 282,107.58/x
  3. Step 3: Cross multiply
    511,555.98x = 705,948.66 × 282,107.58
  4. Step 4: Simplify right side
    511,555.98x = 199,153,468,076.84
  5. Step 5: Solve for x
    x = 199,153,468,076.84/511,555.98
  6. Step 6: Final answer
    x = 389,309.24

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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.