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Finding the Fourth Proportional to 550,993.91, 826,113.51 and 280,598.63

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Solution

The fourth proportional to 550,993.91, 826,113.51 and 280,598.63 is: 420,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,993.91 : 826,113.51 = 280,598.63 : x
  2. Step 2: Convert to fraction form
    550,993.91/826,113.51 = 280,598.63/x
  3. Step 3: Cross multiply
    550,993.91x = 826,113.51 × 280,598.63
  4. Step 4: Simplify right side
    550,993.91x = 231,806,314,999.92
  5. Step 5: Solve for x
    x = 231,806,314,999.92/550,993.91
  6. Step 6: Final answer
    x = 420,705.77

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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.