Finding the Fourth Proportional to 885,593.70, 1,328,292.09 and 316,951.80
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Solution
The fourth proportional to 885,593.70, 1,328,292.09 and 316,951.80 is: 475,392.46
Step by Step Solution
- Step 1: Write the proportion equation
885,593.70 : 1,328,292.09 = 316,951.80 : x - Step 2: Convert to fraction form
885,593.70/1,328,292.09 = 316,951.80/x - Step 3: Cross multiply
885,593.70x = 1,328,292.09 × 316,951.80 - Step 4: Simplify right side
885,593.70x = 421,004,568,851.26 - Step 5: Solve for x
x = 421,004,568,851.26/885,593.70 - Step 6: Final answer
x = 475,392.46
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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.