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Finding the Fourth Proportional to 836,890, 1,254,627.40 and 363,219.28

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Solution

The fourth proportional to 836,890, 1,254,627.40 and 363,219.28 is: 544,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,890 : 1,254,627.40 = 363,219.28 : x
  2. Step 2: Convert to fraction form
    836,890/1,254,627.40 = 363,219.28/x
  3. Step 3: Cross multiply
    836,890x = 1,254,627.40 × 363,219.28
  4. Step 4: Simplify right side
    836,890x = 455,704,860,896.27
  5. Step 5: Solve for x
    x = 455,704,860,896.27/836,890
  6. Step 6: Final answer
    x = 544,521.81

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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.