Home / 698,743.26-964,212.66-392,770.98

Finding the Fourth Proportional to 698,743.26, 964,212.66 and 392,770.98

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Solution

The fourth proportional to 698,743.26, 964,212.66 and 392,770.98 is: 541,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,743.26 : 964,212.66 = 392,770.98 : x
  2. Step 2: Convert to fraction form
    698,743.26/964,212.66 = 392,770.98/x
  3. Step 3: Cross multiply
    698,743.26x = 964,212.66 × 392,770.98
  4. Step 4: Simplify right side
    698,743.26x = 378,714,751,396.61
  5. Step 5: Solve for x
    x = 378,714,751,396.61/698,743.26
  6. Step 6: Final answer
    x = 541,994.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.