Home / 447,004.13-670,063.32-209,922.39

Finding the Fourth Proportional to 447,004.13, 670,063.32 and 209,922.39

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Solution

The fourth proportional to 447,004.13, 670,063.32 and 209,922.39 is: 314,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,004.13 : 670,063.32 = 209,922.39 : x
  2. Step 2: Convert to fraction form
    447,004.13/670,063.32 = 209,922.39/x
  3. Step 3: Cross multiply
    447,004.13x = 670,063.32 × 209,922.39
  4. Step 4: Simplify right side
    447,004.13x = 140,661,293,585.74
  5. Step 5: Solve for x
    x = 140,661,293,585.74/447,004.13
  6. Step 6: Final answer
    x = 314,675.61

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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.