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Finding the Fourth Proportional to 558,382.86, 770,564.88 and 303,735.06

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Solution

The fourth proportional to 558,382.86, 770,564.88 and 303,735.06 is: 419,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,382.86 : 770,564.88 = 303,735.06 : x
  2. Step 2: Convert to fraction form
    558,382.86/770,564.88 = 303,735.06/x
  3. Step 3: Cross multiply
    558,382.86x = 770,564.88 × 303,735.06
  4. Step 4: Simplify right side
    558,382.86x = 234,047,570,060.69
  5. Step 5: Solve for x
    x = 234,047,570,060.69/558,382.86
  6. Step 6: Final answer
    x = 419,152.50

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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.