Home / 558,040.27-770,091.78-303,391.46

Finding the Fourth Proportional to 558,040.27, 770,091.78 and 303,391.46

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Solution

The fourth proportional to 558,040.27, 770,091.78 and 303,391.46 is: 418,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,040.27 : 770,091.78 = 303,391.46 : x
  2. Step 2: Convert to fraction form
    558,040.27/770,091.78 = 303,391.46/x
  3. Step 3: Cross multiply
    558,040.27x = 770,091.78 × 303,391.46
  4. Step 4: Simplify right side
    558,040.27x = 233,639,267,346.09
  5. Step 5: Solve for x
    x = 233,639,267,346.09/558,040.27
  6. Step 6: Final answer
    x = 418,678.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.