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Finding the Fourth Proportional to 558,480.21, 770,706.04 and 303,833.22

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Solution

The fourth proportional to 558,480.21, 770,706.04 and 303,833.22 is: 419,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,480.21 : 770,706.04 = 303,833.22 : x
  2. Step 2: Convert to fraction form
    558,480.21/770,706.04 = 303,833.22/x
  3. Step 3: Cross multiply
    558,480.21x = 770,706.04 × 303,833.22
  4. Step 4: Simplify right side
    558,480.21x = 234,166,097,806.65
  5. Step 5: Solve for x
    x = 234,166,097,806.65/558,480.21
  6. Step 6: Final answer
    x = 419,291.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.