Home / 558,519.37-770,764.62-303,870.76

Finding the Fourth Proportional to 558,519.37, 770,764.62 and 303,870.76

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Solution

The fourth proportional to 558,519.37, 770,764.62 and 303,870.76 is: 419,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,519.37 : 770,764.62 = 303,870.76 : x
  2. Step 2: Convert to fraction form
    558,519.37/770,764.62 = 303,870.76/x
  3. Step 3: Cross multiply
    558,519.37x = 770,764.62 × 303,870.76
  4. Step 4: Simplify right side
    558,519.37x = 234,212,830,860.51
  5. Step 5: Solve for x
    x = 234,212,830,860.51/558,519.37
  6. Step 6: Final answer
    x = 419,345.94

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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.