Home / 637,628.04-879,932.52-351,149.28

Finding the Fourth Proportional to 637,628.04, 879,932.52 and 351,149.28

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Solution

The fourth proportional to 637,628.04, 879,932.52 and 351,149.28 is: 484,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,628.04 : 879,932.52 = 351,149.28 : x
  2. Step 2: Convert to fraction form
    637,628.04/879,932.52 = 351,149.28/x
  3. Step 3: Cross multiply
    637,628.04x = 879,932.52 × 351,149.28
  4. Step 4: Simplify right side
    637,628.04x = 308,987,670,846.59
  5. Step 5: Solve for x
    x = 308,987,670,846.59/637,628.04
  6. Step 6: Final answer
    x = 484,589.21

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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.