Home / 558,212.42-770,325.91-303,558.14

Finding the Fourth Proportional to 558,212.42, 770,325.91 and 303,558.14

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Solution

The fourth proportional to 558,212.42, 770,325.91 and 303,558.14 is: 418,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,212.42 : 770,325.91 = 303,558.14 : x
  2. Step 2: Convert to fraction form
    558,212.42/770,325.91 = 303,558.14/x
  3. Step 3: Cross multiply
    558,212.42x = 770,325.91 × 303,558.14
  4. Step 4: Simplify right side
    558,212.42x = 233,838,695,822.88
  5. Step 5: Solve for x
    x = 233,838,695,822.88/558,212.42
  6. Step 6: Final answer
    x = 418,906.30

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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.