Home / 758,485.37-1,137,531.18-303,057.65

Finding the Fourth Proportional to 758,485.37, 1,137,531.18 and 303,057.65

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Solution

The fourth proportional to 758,485.37, 1,137,531.18 and 303,057.65 is: 454,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,485.37 : 1,137,531.18 = 303,057.65 : x
  2. Step 2: Convert to fraction form
    758,485.37/1,137,531.18 = 303,057.65/x
  3. Step 3: Cross multiply
    758,485.37x = 1,137,531.18 × 303,057.65
  4. Step 4: Simplify right side
    758,485.37x = 344,737,526,212.53
  5. Step 5: Solve for x
    x = 344,737,526,212.53/758,485.37
  6. Step 6: Final answer
    x = 454,507.81

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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.