Home / 558,039.99-770,091.39-303,391.18

Finding the Fourth Proportional to 558,039.99, 770,091.39 and 303,391.18

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Solution

The fourth proportional to 558,039.99, 770,091.39 and 303,391.18 is: 418,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,039.99 : 770,091.39 = 303,391.18 : x
  2. Step 2: Convert to fraction form
    558,039.99/770,091.39 = 303,391.18/x
  3. Step 3: Cross multiply
    558,039.99x = 770,091.39 × 303,391.18
  4. Step 4: Simplify right side
    558,039.99x = 233,638,932,150.79
  5. Step 5: Solve for x
    x = 233,638,932,150.79/558,039.99
  6. Step 6: Final answer
    x = 418,677.76

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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.