Home / 726,111.90-1,001,957.70-403,769.96

Finding the Fourth Proportional to 726,111.90, 1,001,957.70 and 403,769.96

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Solution

The fourth proportional to 726,111.90, 1,001,957.70 and 403,769.96 is: 557,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,111.90 : 1,001,957.70 = 403,769.96 : x
  2. Step 2: Convert to fraction form
    726,111.90/1,001,957.70 = 403,769.96/x
  3. Step 3: Cross multiply
    726,111.90x = 1,001,957.70 × 403,769.96
  4. Step 4: Simplify right side
    726,111.90x = 404,560,420,450.69
  5. Step 5: Solve for x
    x = 404,560,420,450.69/726,111.90
  6. Step 6: Final answer
    x = 557,159.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.