Home / 754,218.51-1,131,324.81-304,933.98

Finding the Fourth Proportional to 754,218.51, 1,131,324.81 and 304,933.98

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Solution

The fourth proportional to 754,218.51, 1,131,324.81 and 304,933.98 is: 457,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,218.51 : 1,131,324.81 = 304,933.98 : x
  2. Step 2: Convert to fraction form
    754,218.51/1,131,324.81 = 304,933.98/x
  3. Step 3: Cross multiply
    754,218.51x = 1,131,324.81 × 304,933.98
  4. Step 4: Simplify right side
    754,218.51x = 344,979,376,986.04
  5. Step 5: Solve for x
    x = 344,979,376,986.04/754,218.51
  6. Step 6: Final answer
    x = 457,399.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.