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Finding the Fourth Proportional to 548,369.80, 756,736.16 and 303,348.17

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Solution

The fourth proportional to 548,369.80, 756,736.16 and 303,348.17 is: 418,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,369.80 : 756,736.16 = 303,348.17 : x
  2. Step 2: Convert to fraction form
    548,369.80/756,736.16 = 303,348.17/x
  3. Step 3: Cross multiply
    548,369.80x = 756,736.16 × 303,348.17
  4. Step 4: Simplify right side
    548,369.80x = 229,554,529,683.93
  5. Step 5: Solve for x
    x = 229,554,529,683.93/548,369.80
  6. Step 6: Final answer
    x = 418,612.64

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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.