Home / 677,776.16-1,015,954.89-228,341.72

Finding the Fourth Proportional to 677,776.16, 1,015,954.89 and 228,341.72

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Solution

The fourth proportional to 677,776.16, 1,015,954.89 and 228,341.72 is: 342,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,776.16 : 1,015,954.89 = 228,341.72 : x
  2. Step 2: Convert to fraction form
    677,776.16/1,015,954.89 = 228,341.72/x
  3. Step 3: Cross multiply
    677,776.16x = 1,015,954.89 × 228,341.72
  4. Step 4: Simplify right side
    677,776.16x = 231,984,888,708.62
  5. Step 5: Solve for x
    x = 231,984,888,708.62/677,776.16
  6. Step 6: Final answer
    x = 342,273.60

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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.