Finding the Fourth Proportional to 745,750.26, 1,029,130.11 and 406,218.51
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Solution
The fourth proportional to 745,750.26, 1,029,130.11 and 406,218.51 is: 560,578.68
Step by Step Solution
- Step 1: Write the proportion equation
745,750.26 : 1,029,130.11 = 406,218.51 : x - Step 2: Convert to fraction form
745,750.26/1,029,130.11 = 406,218.51/x - Step 3: Cross multiply
745,750.26x = 1,029,130.11 × 406,218.51 - Step 4: Simplify right side
745,750.26x = 418,051,699,880.34 - Step 5: Solve for x
x = 418,051,699,880.34/745,750.26 - Step 6: Final answer
x = 560,578.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.