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Finding the Fourth Proportional to 558,354.74, 770,597.94 and 328,900.16

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Solution

The fourth proportional to 558,354.74, 770,597.94 and 328,900.16 is: 453,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,354.74 : 770,597.94 = 328,900.16 : x
  2. Step 2: Convert to fraction form
    558,354.74/770,597.94 = 328,900.16/x
  3. Step 3: Cross multiply
    558,354.74x = 770,597.94 × 328,900.16
  4. Step 4: Simplify right side
    558,354.74x = 253,449,781,908.68
  5. Step 5: Solve for x
    x = 253,449,781,908.68/558,354.74
  6. Step 6: Final answer
    x = 453,922.51

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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.