Finding the Fourth Proportional to 790,717.62, 1,090,374.71 and 676,374.78
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Solution
The fourth proportional to 790,717.62, 1,090,374.71 and 676,374.78 is: 932,699.53
Step by Step Solution
- Step 1: Write the proportion equation
790,717.62 : 1,090,374.71 = 676,374.78 : x - Step 2: Convert to fraction form
790,717.62/1,090,374.71 = 676,374.78/x - Step 3: Cross multiply
790,717.62x = 1,090,374.71 × 676,374.78 - Step 4: Simplify right side
790,717.62x = 737,501,951,211.94 - Step 5: Solve for x
x = 737,501,951,211.94/790,717.62 - Step 6: Final answer
x = 932,699.53
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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.