Home / 726,573.51-1,090,006.07-253,131.75

Finding the Fourth Proportional to 726,573.51, 1,090,006.07 and 253,131.75

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Solution

The fourth proportional to 726,573.51, 1,090,006.07 and 253,131.75 is: 379,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,573.51 : 1,090,006.07 = 253,131.75 : x
  2. Step 2: Convert to fraction form
    726,573.51/1,090,006.07 = 253,131.75/x
  3. Step 3: Cross multiply
    726,573.51x = 1,090,006.07 × 253,131.75
  4. Step 4: Simplify right side
    726,573.51x = 275,915,142,744.06
  5. Step 5: Solve for x
    x = 275,915,142,744.06/726,573.51
  6. Step 6: Final answer
    x = 379,748.42

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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.