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Finding the Fourth Proportional to 608,651.21, 839,865.64 and 350,612.54

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Solution

The fourth proportional to 608,651.21, 839,865.64 and 350,612.54 is: 483,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,651.21 : 839,865.64 = 350,612.54 : x
  2. Step 2: Convert to fraction form
    608,651.21/839,865.64 = 350,612.54/x
  3. Step 3: Cross multiply
    608,651.21x = 839,865.64 × 350,612.54
  4. Step 4: Simplify right side
    608,651.21x = 294,467,429,396.49
  5. Step 5: Solve for x
    x = 294,467,429,396.49/608,651.21
  6. Step 6: Final answer
    x = 483,803.25

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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.