Finding the Fourth Proportional to 396,965.36, 594,754.68 and 330,830.48
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Solution
The fourth proportional to 396,965.36, 594,754.68 and 330,830.48 is: 495,667.87
Step by Step Solution
- Step 1: Write the proportion equation
396,965.36 : 594,754.68 = 330,830.48 : x - Step 2: Convert to fraction form
396,965.36/594,754.68 = 330,830.48/x - Step 3: Cross multiply
396,965.36x = 594,754.68 × 330,830.48 - Step 4: Simplify right side
396,965.36x = 196,762,976,266.65 - Step 5: Solve for x
x = 196,762,976,266.65/396,965.36 - Step 6: Final answer
x = 495,667.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.