Finding the Fourth Proportional to 837,991.61, 1,156,552.97 and 493,717.47
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Solution
The fourth proportional to 837,991.61, 1,156,552.97 and 493,717.47 is: 681,403.49
Step by Step Solution
- Step 1: Write the proportion equation
837,991.61 : 1,156,552.97 = 493,717.47 : x - Step 2: Convert to fraction form
837,991.61/1,156,552.97 = 493,717.47/x - Step 3: Cross multiply
837,991.61x = 1,156,552.97 × 493,717.47 - Step 4: Simplify right side
837,991.61x = 571,010,406,269.39 - Step 5: Solve for x
x = 571,010,406,269.39/837,991.61 - Step 6: Final answer
x = 681,403.49
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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.