Finding the Fourth Proportional to 529,916.71, 731,277.98 and 288,194.08
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Solution
The fourth proportional to 529,916.71, 731,277.98 and 288,194.08 is: 397,703.98
Step by Step Solution
- Step 1: Write the proportion equation
529,916.71 : 731,277.98 = 288,194.08 : x - Step 2: Convert to fraction form
529,916.71/731,277.98 = 288,194.08/x - Step 3: Cross multiply
529,916.71x = 731,277.98 × 288,194.08 - Step 4: Simplify right side
529,916.71x = 210,749,981,734.45 - Step 5: Solve for x
x = 210,749,981,734.45/529,916.71 - Step 6: Final answer
x = 397,703.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.