Home / 558,684.07-770,930.66-313,612.73

Finding the Fourth Proportional to 558,684.07, 770,930.66 and 313,612.73

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Solution

The fourth proportional to 558,684.07, 770,930.66 and 313,612.73 is: 432,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,684.07 : 770,930.66 = 313,612.73 : x
  2. Step 2: Convert to fraction form
    558,684.07/770,930.66 = 313,612.73/x
  3. Step 3: Cross multiply
    558,684.07x = 770,930.66 × 313,612.73
  4. Step 4: Simplify right side
    558,684.07x = 241,773,668,743.67
  5. Step 5: Solve for x
    x = 241,773,668,743.67/558,684.07
  6. Step 6: Final answer
    x = 432,755.62

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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.