Finding the Fourth Proportional to 606,983.91, 837,582.36 and 388,805.91
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Solution
The fourth proportional to 606,983.91, 837,582.36 and 388,805.91 is: 536,516.65
Step by Step Solution
- Step 1: Write the proportion equation
606,983.91 : 837,582.36 = 388,805.91 : x - Step 2: Convert to fraction form
606,983.91/837,582.36 = 388,805.91/x - Step 3: Cross multiply
606,983.91x = 837,582.36 × 388,805.91 - Step 4: Simplify right side
606,983.91x = 325,656,971,679.75 - Step 5: Solve for x
x = 325,656,971,679.75/606,983.91 - Step 6: Final answer
x = 536,516.65
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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.