Home / 820,010.26-1,230,102.87-346,743.46

Finding the Fourth Proportional to 820,010.26, 1,230,102.87 and 346,743.46

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Solution

The fourth proportional to 820,010.26, 1,230,102.87 and 346,743.46 is: 520,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,010.26 : 1,230,102.87 = 346,743.46 : x
  2. Step 2: Convert to fraction form
    820,010.26/1,230,102.87 = 346,743.46/x
  3. Step 3: Cross multiply
    820,010.26x = 1,230,102.87 × 346,743.46
  4. Step 4: Simplify right side
    820,010.26x = 426,530,125,299.73
  5. Step 5: Solve for x
    x = 426,530,125,299.73/820,010.26
  6. Step 6: Final answer
    x = 520,152.18

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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.