Home / 715,433.94-1,072,351.71-310,158.27

Finding the Fourth Proportional to 715,433.94, 1,072,351.71 and 310,158.27

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Solution

The fourth proportional to 715,433.94, 1,072,351.71 and 310,158.27 is: 464,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,433.94 : 1,072,351.71 = 310,158.27 : x
  2. Step 2: Convert to fraction form
    715,433.94/1,072,351.71 = 310,158.27/x
  3. Step 3: Cross multiply
    715,433.94x = 1,072,351.71 × 310,158.27
  4. Step 4: Simplify right side
    715,433.94x = 332,598,751,205.14
  5. Step 5: Solve for x
    x = 332,598,751,205.14/715,433.94
  6. Step 6: Final answer
    x = 464,890.93

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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.