Home / 760,768.20-1,141,151.22-228,288.36

Finding the Fourth Proportional to 760,768.20, 1,141,151.22 and 228,288.36

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Solution

The fourth proportional to 760,768.20, 1,141,151.22 and 228,288.36 is: 342,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,768.20 : 1,141,151.22 = 228,288.36 : x
  2. Step 2: Convert to fraction form
    760,768.20/1,141,151.22 = 228,288.36/x
  3. Step 3: Cross multiply
    760,768.20x = 1,141,151.22 × 228,288.36
  4. Step 4: Simplify right side
    760,768.20x = 260,511,540,525.80
  5. Step 5: Solve for x
    x = 260,511,540,525.80/760,768.20
  6. Step 6: Final answer
    x = 342,432.22

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1.5x scale

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.