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Finding the Fourth Proportional to 658,602, 908,880.48 and 356,796

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Solution

The fourth proportional to 658,602, 908,880.48 and 356,796 is: 492,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,602 : 908,880.48 = 356,796 : x
  2. Step 2: Convert to fraction form
    658,602/908,880.48 = 356,796/x
  3. Step 3: Cross multiply
    658,602x = 908,880.48 × 356,796
  4. Step 4: Simplify right side
    658,602x = 324,284,919,742.08
  5. Step 5: Solve for x
    x = 324,284,919,742.08/658,602
  6. Step 6: Final answer
    x = 492,383.75

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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.