Home / 789,976.54-1,185,087.66-257,373.46

Finding the Fourth Proportional to 789,976.54, 1,185,087.66 and 257,373.46

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Solution

The fourth proportional to 789,976.54, 1,185,087.66 and 257,373.46 is: 386,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,976.54 : 1,185,087.66 = 257,373.46 : x
  2. Step 2: Convert to fraction form
    789,976.54/1,185,087.66 = 257,373.46/x
  3. Step 3: Cross multiply
    789,976.54x = 1,185,087.66 × 257,373.46
  4. Step 4: Simplify right side
    789,976.54x = 305,010,111,457.50
  5. Step 5: Solve for x
    x = 305,010,111,457.50/789,976.54
  6. Step 6: Final answer
    x = 386,100.21

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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.