Home / 447,825.24-670,160.18-279,424.89

Finding the Fourth Proportional to 447,825.24, 670,160.18 and 279,424.89

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Solution

The fourth proportional to 447,825.24, 670,160.18 and 279,424.89 is: 418,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,825.24 : 670,160.18 = 279,424.89 : x
  2. Step 2: Convert to fraction form
    447,825.24/670,160.18 = 279,424.89/x
  3. Step 3: Cross multiply
    447,825.24x = 670,160.18 × 279,424.89
  4. Step 4: Simplify right side
    447,825.24x = 187,259,435,277.44
  5. Step 5: Solve for x
    x = 187,259,435,277.44/447,825.24
  6. Step 6: Final answer
    x = 418,152.93

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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.