Home / 637,550.32-879,825.18-351,071.56

Finding the Fourth Proportional to 637,550.32, 879,825.18 and 351,071.56

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Solution

The fourth proportional to 637,550.32, 879,825.18 and 351,071.56 is: 484,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,550.32 : 879,825.18 = 351,071.56 : x
  2. Step 2: Convert to fraction form
    637,550.32/879,825.18 = 351,071.56/x
  3. Step 3: Cross multiply
    637,550.32x = 879,825.18 × 351,071.56
  4. Step 4: Simplify right side
    637,550.32x = 308,881,598,469.88
  5. Step 5: Solve for x
    x = 308,881,598,469.88/637,550.32
  6. Step 6: Final answer
    x = 484,481.91

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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.