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Finding the Fourth Proportional to 608,079.75, 839,144.50 and 336,154.65

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Solution

The fourth proportional to 608,079.75, 839,144.50 and 336,154.65 is: 463,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,079.75 : 839,144.50 = 336,154.65 : x
  2. Step 2: Convert to fraction form
    608,079.75/839,144.50 = 336,154.65/x
  3. Step 3: Cross multiply
    608,079.75x = 839,144.50 × 336,154.65
  4. Step 4: Simplify right side
    608,079.75x = 282,082,325,696.93
  5. Step 5: Solve for x
    x = 282,082,325,696.93/608,079.75
  6. Step 6: Final answer
    x = 463,890.35

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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.