Home / 729,165.19-1,093,009.47-349,529.53

Finding the Fourth Proportional to 729,165.19, 1,093,009.47 and 349,529.53

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Solution

The fourth proportional to 729,165.19, 1,093,009.47 and 349,529.53 is: 523,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,165.19 : 1,093,009.47 = 349,529.53 : x
  2. Step 2: Convert to fraction form
    729,165.19/1,093,009.47 = 349,529.53/x
  3. Step 3: Cross multiply
    729,165.19x = 1,093,009.47 × 349,529.53
  4. Step 4: Simplify right side
    729,165.19x = 382,039,086,334.65
  5. Step 5: Solve for x
    x = 382,039,086,334.65/729,165.19
  6. Step 6: Final answer
    x = 523,940.38

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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.