Finding the Fourth Proportional to 837,916.97, 1,156,123.85 and 493,766.99
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Solution
The fourth proportional to 837,916.97, 1,156,123.85 and 493,766.99 is: 681,279.66
Step by Step Solution
- Step 1: Write the proportion equation
837,916.97 : 1,156,123.85 = 493,766.99 : x - Step 2: Convert to fraction form
837,916.97/1,156,123.85 = 493,766.99/x - Step 3: Cross multiply
837,916.97x = 1,156,123.85 × 493,766.99 - Step 4: Simplify right side
837,916.97x = 570,855,788,935.51 - Step 5: Solve for x
x = 570,855,788,935.51/837,916.97 - Step 6: Final answer
x = 681,279.66
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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.