Home / 758,205.75-1,137,286.72-308,815.50

Finding the Fourth Proportional to 758,205.75, 1,137,286.72 and 308,815.50

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Solution

The fourth proportional to 758,205.75, 1,137,286.72 and 308,815.50 is: 463,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,205.75 : 1,137,286.72 = 308,815.50 : x
  2. Step 2: Convert to fraction form
    758,205.75/1,137,286.72 = 308,815.50/x
  3. Step 3: Cross multiply
    758,205.75x = 1,137,286.72 × 308,815.50
  4. Step 4: Simplify right side
    758,205.75x = 351,211,767,080.16
  5. Step 5: Solve for x
    x = 351,211,767,080.16/758,205.75
  6. Step 6: Final answer
    x = 463,214.33

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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.