Finding the Fourth Proportional to 509,389.44, 702,916.26 and 294,543.42
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Solution
The fourth proportional to 509,389.44, 702,916.26 and 294,543.42 is: 406,446.12
Step by Step Solution
- Step 1: Write the proportion equation
509,389.44 : 702,916.26 = 294,543.42 : x - Step 2: Convert to fraction form
509,389.44/702,916.26 = 294,543.42/x - Step 3: Cross multiply
509,389.44x = 702,916.26 × 294,543.42 - Step 4: Simplify right side
509,389.44x = 207,039,359,194.01 - Step 5: Solve for x
x = 207,039,359,194.01/509,389.44 - Step 6: Final answer
x = 406,446.12
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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.