Home / 558,512.32-770,738.52-303,857.68

Finding the Fourth Proportional to 558,512.32, 770,738.52 and 303,857.68

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Solution

The fourth proportional to 558,512.32, 770,738.52 and 303,857.68 is: 419,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,512.32 : 770,738.52 = 303,857.68 : x
  2. Step 2: Convert to fraction form
    558,512.32/770,738.52 = 303,857.68/x
  3. Step 3: Cross multiply
    558,512.32x = 770,738.52 × 303,857.68
  4. Step 4: Simplify right side
    558,512.32x = 234,194,818,573.83
  5. Step 5: Solve for x
    x = 234,194,818,573.83/558,512.32
  6. Step 6: Final answer
    x = 419,318.98

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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.