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Finding the Fourth Proportional to 608,504.06, 839,728.41 and 336,550.61

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Solution

The fourth proportional to 608,504.06, 839,728.41 and 336,550.61 is: 464,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,504.06 : 839,728.41 = 336,550.61 : x
  2. Step 2: Convert to fraction form
    608,504.06/839,728.41 = 336,550.61/x
  3. Step 3: Cross multiply
    608,504.06x = 839,728.41 × 336,550.61
  4. Step 4: Simplify right side
    608,504.06x = 282,611,108,619.83
  5. Step 5: Solve for x
    x = 282,611,108,619.83/608,504.06
  6. Step 6: Final answer
    x = 464,435.86

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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.