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Finding the Fourth Proportional to 550,584.77, 825,778.74 and 350,310.24

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Solution

The fourth proportional to 550,584.77, 825,778.74 and 350,310.24 is: 525,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,584.77 : 825,778.74 = 350,310.24 : x
  2. Step 2: Convert to fraction form
    550,584.77/825,778.74 = 350,310.24/x
  3. Step 3: Cross multiply
    550,584.77x = 825,778.74 × 350,310.24
  4. Step 4: Simplify right side
    550,584.77x = 289,278,749,769.35
  5. Step 5: Solve for x
    x = 289,278,749,769.35/550,584.77
  6. Step 6: Final answer
    x = 525,402.75

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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.