Home / 558,657.92-770,932.48-304,003.20

Finding the Fourth Proportional to 558,657.92, 770,932.48 and 304,003.20

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Solution

The fourth proportional to 558,657.92, 770,932.48 and 304,003.20 is: 419,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,657.92 : 770,932.48 = 304,003.20 : x
  2. Step 2: Convert to fraction form
    558,657.92/770,932.48 = 304,003.20/x
  3. Step 3: Cross multiply
    558,657.92x = 770,932.48 × 304,003.20
  4. Step 4: Simplify right side
    558,657.92x = 234,365,940,903.94
  5. Step 5: Solve for x
    x = 234,365,940,903.94/558,657.92
  6. Step 6: Final answer
    x = 419,516.01

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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.