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Finding the Fourth Proportional to 641,481.84, 962,543.52 and 286,750.44

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Solution

The fourth proportional to 641,481.84, 962,543.52 and 286,750.44 is: 430,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,481.84 : 962,543.52 = 286,750.44 : x
  2. Step 2: Convert to fraction form
    641,481.84/962,543.52 = 286,750.44/x
  3. Step 3: Cross multiply
    641,481.84x = 962,543.52 × 286,750.44
  4. Step 4: Simplify right side
    641,481.84x = 276,009,777,879.15
  5. Step 5: Solve for x
    x = 276,009,777,879.15/641,481.84
  6. Step 6: Final answer
    x = 430,269.04

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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.