Home / 726,701.24-1,001,808.38-511,172.39

Finding the Fourth Proportional to 726,701.24, 1,001,808.38 and 511,172.39

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Solution

The fourth proportional to 726,701.24, 1,001,808.38 and 511,172.39 is: 704,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,701.24 : 1,001,808.38 = 511,172.39 : x
  2. Step 2: Convert to fraction form
    726,701.24/1,001,808.38 = 511,172.39/x
  3. Step 3: Cross multiply
    726,701.24x = 1,001,808.38 × 511,172.39
  4. Step 4: Simplify right side
    726,701.24x = 512,096,776,361.72
  5. Step 5: Solve for x
    x = 512,096,776,361.72/726,701.24
  6. Step 6: Final answer
    x = 704,686.81

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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.