Home / 760,768.70-1,141,151.97-228,288.86

Finding the Fourth Proportional to 760,768.70, 1,141,151.97 and 228,288.86

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Solution

The fourth proportional to 760,768.70, 1,141,151.97 and 228,288.86 is: 342,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,768.70 : 1,141,151.97 = 228,288.86 : x
  2. Step 2: Convert to fraction form
    760,768.70/1,141,151.97 = 228,288.86/x
  3. Step 3: Cross multiply
    760,768.70x = 1,141,151.97 × 228,288.86
  4. Step 4: Simplify right side
    760,768.70x = 260,512,282,318.05
  5. Step 5: Solve for x
    x = 260,512,282,318.05/760,768.70
  6. Step 6: Final answer
    x = 342,432.97

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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.