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Finding the Fourth Proportional to 558,354.72, 770,597.94 and 328,900.17

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Solution

The fourth proportional to 558,354.72, 770,597.94 and 328,900.17 is: 453,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,354.72 : 770,597.94 = 328,900.17 : x
  2. Step 2: Convert to fraction form
    558,354.72/770,597.94 = 328,900.17/x
  3. Step 3: Cross multiply
    558,354.72x = 770,597.94 × 328,900.17
  4. Step 4: Simplify right side
    558,354.72x = 253,449,793,467.65
  5. Step 5: Solve for x
    x = 253,449,793,467.65/558,354.72
  6. Step 6: Final answer
    x = 453,922.54

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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.