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Finding the Fourth Proportional to 608,307.20, 839,469.42 and 336,393.54

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Solution

The fourth proportional to 608,307.20, 839,469.42 and 336,393.54 is: 464,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,307.20 : 839,469.42 = 336,393.54 : x
  2. Step 2: Convert to fraction form
    608,307.20/839,469.42 = 336,393.54/x
  3. Step 3: Cross multiply
    608,307.20x = 839,469.42 × 336,393.54
  4. Step 4: Simplify right side
    608,307.20x = 282,392,089,915.55
  5. Step 5: Solve for x
    x = 282,392,089,915.55/608,307.20
  6. Step 6: Final answer
    x = 464,226.12

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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.