Home / 715,706.91-1,075,791.92-451,167.39

Finding the Fourth Proportional to 715,706.91, 1,075,791.92 and 451,167.39

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Solution

The fourth proportional to 715,706.91, 1,075,791.92 and 451,167.39 is: 678,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,706.91 : 1,075,791.92 = 451,167.39 : x
  2. Step 2: Convert to fraction form
    715,706.91/1,075,791.92 = 451,167.39/x
  3. Step 3: Cross multiply
    715,706.91x = 1,075,791.92 × 451,167.39
  4. Step 4: Simplify right side
    715,706.91x = 485,362,230,473.65
  5. Step 5: Solve for x
    x = 485,362,230,473.65/715,706.91
  6. Step 6: Final answer
    x = 678,157.81

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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.