Home / 820,026.96-1,230,040.32-251,409.60

Finding the Fourth Proportional to 820,026.96, 1,230,040.32 and 251,409.60

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Solution

The fourth proportional to 820,026.96, 1,230,040.32 and 251,409.60 is: 377,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,026.96 : 1,230,040.32 = 251,409.60 : x
  2. Step 2: Convert to fraction form
    820,026.96/1,230,040.32 = 251,409.60/x
  3. Step 3: Cross multiply
    820,026.96x = 1,230,040.32 × 251,409.60
  4. Step 4: Simplify right side
    820,026.96x = 309,243,944,835.07
  5. Step 5: Solve for x
    x = 309,243,944,835.07/820,026.96
  6. Step 6: Final answer
    x = 377,114.36

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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.