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Finding the Fourth Proportional to 608,181.72, 839,266.02 and 336,232.32

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Solution

The fourth proportional to 608,181.72, 839,266.02 and 336,232.32 is: 463,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,181.72 : 839,266.02 = 336,232.32 : x
  2. Step 2: Convert to fraction form
    608,181.72/839,266.02 = 336,232.32/x
  3. Step 3: Cross multiply
    608,181.72x = 839,266.02 × 336,232.32
  4. Step 4: Simplify right side
    608,181.72x = 282,188,361,001.77
  5. Step 5: Solve for x
    x = 282,188,361,001.77/608,181.72
  6. Step 6: Final answer
    x = 463,986.92

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Double scale
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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.