Home / 760,990.89-1,141,495.92-228,480.96

Finding the Fourth Proportional to 760,990.89, 1,141,495.92 and 228,480.96

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Solution

The fourth proportional to 760,990.89, 1,141,495.92 and 228,480.96 is: 342,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,990.89 : 1,141,495.92 = 228,480.96 : x
  2. Step 2: Convert to fraction form
    760,990.89/1,141,495.92 = 228,480.96/x
  3. Step 3: Cross multiply
    760,990.89x = 1,141,495.92 × 228,480.96
  4. Step 4: Simplify right side
    760,990.89x = 260,810,083,637.68
  5. Step 5: Solve for x
    x = 260,810,083,637.68/760,990.89
  6. Step 6: Final answer
    x = 342,724.32

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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.