Home / 792,036.86-1,187,662.22-252,222.78

Finding the Fourth Proportional to 792,036.86, 1,187,662.22 and 252,222.78

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Solution

The fourth proportional to 792,036.86, 1,187,662.22 and 252,222.78 is: 378,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,036.86 : 1,187,662.22 = 252,222.78 : x
  2. Step 2: Convert to fraction form
    792,036.86/1,187,662.22 = 252,222.78/x
  3. Step 3: Cross multiply
    792,036.86x = 1,187,662.22 × 252,222.78
  4. Step 4: Simplify right side
    792,036.86x = 299,555,470,967.83
  5. Step 5: Solve for x
    x = 299,555,470,967.83/792,036.86
  6. Step 6: Final answer
    x = 378,209.01

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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.