Home / 447,822.56-671,948.90-279,299.63

Finding the Fourth Proportional to 447,822.56, 671,948.90 and 279,299.63

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Solution

The fourth proportional to 447,822.56, 671,948.90 and 279,299.63 is: 419,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,822.56 : 671,948.90 = 279,299.63 : x
  2. Step 2: Convert to fraction form
    447,822.56/671,948.90 = 279,299.63/x
  3. Step 3: Cross multiply
    447,822.56x = 671,948.90 × 279,299.63
  4. Step 4: Simplify right side
    447,822.56x = 187,675,074,392.66
  5. Step 5: Solve for x
    x = 187,675,074,392.66/447,822.56
  6. Step 6: Final answer
    x = 419,083.57

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1.5x scale

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.