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Finding the Fourth Proportional to 558,202.56, 770,325.70 and 303,553.76

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Solution

The fourth proportional to 558,202.56, 770,325.70 and 303,553.76 is: 418,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,202.56 : 770,325.70 = 303,553.76 : x
  2. Step 2: Convert to fraction form
    558,202.56/770,325.70 = 303,553.76/x
  3. Step 3: Cross multiply
    558,202.56x = 770,325.70 × 303,553.76
  4. Step 4: Simplify right side
    558,202.56x = 233,835,262,659.63
  5. Step 5: Solve for x
    x = 233,835,262,659.63/558,202.56
  6. Step 6: Final answer
    x = 418,907.54

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1.5x scale

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.