Home / 558,230.08-770,086.80-331,715.20

Finding the Fourth Proportional to 558,230.08, 770,086.80 and 331,715.20

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Solution

The fourth proportional to 558,230.08, 770,086.80 and 331,715.20 is: 457,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,230.08 : 770,086.80 = 331,715.20 : x
  2. Step 2: Convert to fraction form
    558,230.08/770,086.80 = 331,715.20/x
  3. Step 3: Cross multiply
    558,230.08x = 770,086.80 × 331,715.20
  4. Step 4: Simplify right side
    558,230.08x = 255,449,496,879.36
  5. Step 5: Solve for x
    x = 255,449,496,879.36/558,230.08
  6. Step 6: Final answer
    x = 457,606.11

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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.