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Finding the Fourth Proportional to 608,504.31, 839,728.76 and 336,550.86

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Solution

The fourth proportional to 608,504.31, 839,728.76 and 336,550.86 is: 464,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,504.31 : 839,728.76 = 336,550.86 : x
  2. Step 2: Convert to fraction form
    608,504.31/839,728.76 = 336,550.86/x
  3. Step 3: Cross multiply
    608,504.31x = 839,728.76 × 336,550.86
  4. Step 4: Simplify right side
    608,504.31x = 282,611,434,661.98
  5. Step 5: Solve for x
    x = 282,611,434,661.98/608,504.31
  6. Step 6: Final answer
    x = 464,436.21

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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.