Finding the Fourth Proportional to 529,916.58, 731,277.80 and 288,193.94
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Solution
The fourth proportional to 529,916.58, 731,277.80 and 288,193.94 is: 397,703.79
Step by Step Solution
- Step 1: Write the proportion equation
529,916.58 : 731,277.80 = 288,193.94 : x - Step 2: Convert to fraction form
529,916.58/731,277.80 = 288,193.94/x - Step 3: Cross multiply
529,916.58x = 731,277.80 × 288,193.94 - Step 4: Simplify right side
529,916.58x = 210,749,830,416.53 - Step 5: Solve for x
x = 210,749,830,416.53/529,916.58 - Step 6: Final answer
x = 397,703.79
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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.