Home / 760,963.89-1,141,455.39-228,453.96

Finding the Fourth Proportional to 760,963.89, 1,141,455.39 and 228,453.96

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Solution

The fourth proportional to 760,963.89, 1,141,455.39 and 228,453.96 is: 342,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,963.89 : 1,141,455.39 = 228,453.96 : x
  2. Step 2: Convert to fraction form
    760,963.89/1,141,455.39 = 228,453.96/x
  3. Step 3: Cross multiply
    760,963.89x = 1,141,455.39 × 228,453.96
  4. Step 4: Simplify right side
    760,963.89x = 260,770,004,008.84
  5. Step 5: Solve for x
    x = 260,770,004,008.84/760,963.89
  6. Step 6: Final answer
    x = 342,683.81

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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.