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Finding the Fourth Proportional to 608,100.75, 839,230.88 and 339,880.59

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Solution

The fourth proportional to 608,100.75, 839,230.88 and 339,880.59 is: 469,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,100.75 : 839,230.88 = 339,880.59 : x
  2. Step 2: Convert to fraction form
    608,100.75/839,230.88 = 339,880.59/x
  3. Step 3: Cross multiply
    608,100.75x = 839,230.88 × 339,880.59
  4. Step 4: Simplify right side
    608,100.75x = 285,238,284,941.22
  5. Step 5: Solve for x
    x = 285,238,284,941.22/608,100.75
  6. Step 6: Final answer
    x = 469,064.19

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1.5x scale

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.