Home / 447,985.16-671,639.82-270,449.96

Finding the Fourth Proportional to 447,985.16, 671,639.82 and 270,449.96

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Solution

The fourth proportional to 447,985.16, 671,639.82 and 270,449.96 is: 405,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,985.16 : 671,639.82 = 270,449.96 : x
  2. Step 2: Convert to fraction form
    447,985.16/671,639.82 = 270,449.96/x
  3. Step 3: Cross multiply
    447,985.16x = 671,639.82 × 270,449.96
  4. Step 4: Simplify right side
    447,985.16x = 181,644,962,453.41
  5. Step 5: Solve for x
    x = 181,644,962,453.41/447,985.16
  6. Step 6: Final answer
    x = 405,470.94

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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.