Finding the Fourth Proportional to 680,397.39, 1,021,226.55 and 343,674.05
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Solution
The fourth proportional to 680,397.39, 1,021,226.55 and 343,674.05 is: 515,829.53
Step by Step Solution
- Step 1: Write the proportion equation
680,397.39 : 1,021,226.55 = 343,674.05 : x - Step 2: Convert to fraction form
680,397.39/1,021,226.55 = 343,674.05/x - Step 3: Cross multiply
680,397.39x = 1,021,226.55 × 343,674.05 - Step 4: Simplify right side
680,397.39x = 350,969,066,762.31 - Step 5: Solve for x
x = 350,969,066,762.31/680,397.39 - Step 6: Final answer
x = 515,829.53
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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.