Home / 637,568.15-879,844.05-351,087.57

Finding the Fourth Proportional to 637,568.15, 879,844.05 and 351,087.57

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Solution

The fourth proportional to 637,568.15, 879,844.05 and 351,087.57 is: 484,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,568.15 : 879,844.05 = 351,087.57 : x
  2. Step 2: Convert to fraction form
    637,568.15/879,844.05 = 351,087.57/x
  3. Step 3: Cross multiply
    637,568.15x = 879,844.05 × 351,087.57
  4. Step 4: Simplify right side
    637,568.15x = 308,902,309,493.46
  5. Step 5: Solve for x
    x = 308,902,309,493.46/637,568.15
  6. Step 6: Final answer
    x = 484,500.85

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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.