Finding the Fourth Proportional to 936,302.34, 1,292,989.79 and 885,295.84
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Solution
The fourth proportional to 936,302.34, 1,292,989.79 and 885,295.84 is: 1,222,552.20
Step by Step Solution
- Step 1: Write the proportion equation
936,302.34 : 1,292,989.79 = 885,295.84 : x - Step 2: Convert to fraction form
936,302.34/1,292,989.79 = 885,295.84/x - Step 3: Cross multiply
936,302.34x = 1,292,989.79 × 885,295.84 - Step 4: Simplify right side
936,302.34x = 1,144,678,482,249.47 - Step 5: Solve for x
x = 1,144,678,482,249.47/936,302.34 - Step 6: Final answer
x = 1,222,552.20
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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.