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Finding the Fourth Proportional to 836,728.80, 1,254,594 and 331,362.24

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Solution

The fourth proportional to 836,728.80, 1,254,594 and 331,362.24 is: 496,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,728.80 : 1,254,594 = 331,362.24 : x
  2. Step 2: Convert to fraction form
    836,728.80/1,254,594 = 331,362.24/x
  3. Step 3: Cross multiply
    836,728.80x = 1,254,594 × 331,362.24
  4. Step 4: Simplify right side
    836,728.80x = 415,725,078,130.56
  5. Step 5: Solve for x
    x = 415,725,078,130.56/836,728.80
  6. Step 6: Final answer
    x = 496,845.67

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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.