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Finding the Fourth Proportional to 558,580.32, 770,857.20 and 303,948

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Solution

The fourth proportional to 558,580.32, 770,857.20 and 303,948 is: 419,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,580.32 : 770,857.20 = 303,948 : x
  2. Step 2: Convert to fraction form
    558,580.32/770,857.20 = 303,948/x
  3. Step 3: Cross multiply
    558,580.32x = 770,857.20 × 303,948
  4. Step 4: Simplify right side
    558,580.32x = 234,300,504,225.60
  5. Step 5: Solve for x
    x = 234,300,504,225.60/558,580.32
  6. Step 6: Final answer
    x = 419,457.14

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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.