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Finding the Fourth Proportional to 637,550.82, 879,825.87 and 351,072.06

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Solution

The fourth proportional to 637,550.82, 879,825.87 and 351,072.06 is: 484,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,550.82 : 879,825.87 = 351,072.06 : x
  2. Step 2: Convert to fraction form
    637,550.82/879,825.87 = 351,072.06/x
  3. Step 3: Cross multiply
    637,550.82x = 879,825.87 × 351,072.06
  4. Step 4: Simplify right side
    637,550.82x = 308,882,280,622.19
  5. Step 5: Solve for x
    x = 308,882,280,622.19/637,550.82
  6. Step 6: Final answer
    x = 484,482.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.