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Finding the Fourth Proportional to 833,860.86, 1,250,778.99 and 265,276.40

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Solution

The fourth proportional to 833,860.86, 1,250,778.99 and 265,276.40 is: 397,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,860.86 : 1,250,778.99 = 265,276.40 : x
  2. Step 2: Convert to fraction form
    833,860.86/1,250,778.99 = 265,276.40/x
  3. Step 3: Cross multiply
    833,860.86x = 1,250,778.99 × 265,276.40
  4. Step 4: Simplify right side
    833,860.86x = 331,802,141,408.94
  5. Step 5: Solve for x
    x = 331,802,141,408.94/833,860.86
  6. Step 6: Final answer
    x = 397,910.68

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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.