Home / 727,279.45-1,090,170.65-322,662.21

Finding the Fourth Proportional to 727,279.45, 1,090,170.65 and 322,662.21

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Solution

The fourth proportional to 727,279.45, 1,090,170.65 and 322,662.21 is: 483,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,279.45 : 1,090,170.65 = 322,662.21 : x
  2. Step 2: Convert to fraction form
    727,279.45/1,090,170.65 = 322,662.21/x
  3. Step 3: Cross multiply
    727,279.45x = 1,090,170.65 × 322,662.21
  4. Step 4: Simplify right side
    727,279.45x = 351,756,869,592.83
  5. Step 5: Solve for x
    x = 351,756,869,592.83/727,279.45
  6. Step 6: Final answer
    x = 483,661.23

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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.