Finding the Fourth Proportional to 745,161.26, 1,117,877.96 and 345,747.02
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Solution
The fourth proportional to 745,161.26, 1,117,877.96 and 345,747.02 is: 518,683.66
Step by Step Solution
- Step 1: Write the proportion equation
745,161.26 : 1,117,877.96 = 345,747.02 : x - Step 2: Convert to fraction form
745,161.26/1,117,877.96 = 345,747.02/x - Step 3: Cross multiply
745,161.26x = 1,117,877.96 × 345,747.02 - Step 4: Simplify right side
745,161.26x = 386,502,968,668.66 - Step 5: Solve for x
x = 386,502,968,668.66/745,161.26 - Step 6: Final answer
x = 518,683.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.