Home / 729,052.80-1,093,579.20-613,579.20

Finding the Fourth Proportional to 729,052.80, 1,093,579.20 and 613,579.20

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Solution

The fourth proportional to 729,052.80, 1,093,579.20 and 613,579.20 is: 920,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,052.80 : 1,093,579.20 = 613,579.20 : x
  2. Step 2: Convert to fraction form
    729,052.80/1,093,579.20 = 613,579.20/x
  3. Step 3: Cross multiply
    729,052.80x = 1,093,579.20 × 613,579.20
  4. Step 4: Simplify right side
    729,052.80x = 670,997,450,672.64
  5. Step 5: Solve for x
    x = 670,997,450,672.64/729,052.80
  6. Step 6: Final answer
    x = 920,368.80

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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.