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Finding the Fourth Proportional to 658,608.94, 908,881.24 and 356,802.94

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Solution

The fourth proportional to 658,608.94, 908,881.24 and 356,802.94 is: 492,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,608.94 : 908,881.24 = 356,802.94 : x
  2. Step 2: Convert to fraction form
    658,608.94/908,881.24 = 356,802.94/x
  3. Step 3: Cross multiply
    658,608.94x = 908,881.24 × 356,802.94
  4. Step 4: Simplify right side
    658,608.94x = 324,291,498,542.85
  5. Step 5: Solve for x
    x = 324,291,498,542.85/658,608.94
  6. Step 6: Final answer
    x = 492,388.55

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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.