Home / 771,738.86-1,157,652.04-239,335.58

Finding the Fourth Proportional to 771,738.86, 1,157,652.04 and 239,335.58

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Solution

The fourth proportional to 771,738.86, 1,157,652.04 and 239,335.58 is: 359,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,738.86 : 1,157,652.04 = 239,335.58 : x
  2. Step 2: Convert to fraction form
    771,738.86/1,157,652.04 = 239,335.58/x
  3. Step 3: Cross multiply
    771,738.86x = 1,157,652.04 × 239,335.58
  4. Step 4: Simplify right side
    771,738.86x = 277,067,322,431.58
  5. Step 5: Solve for x
    x = 277,067,322,431.58/771,738.86
  6. Step 6: Final answer
    x = 359,016.94

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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.