Finding the Fourth Proportional to 745,918.76, 1,029,368.00 and 406,387.01
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Solution
The fourth proportional to 745,918.76, 1,029,368.00 and 406,387.01 is: 560,814.13
Step by Step Solution
- Step 1: Write the proportion equation
745,918.76 : 1,029,368.00 = 406,387.01 : x - Step 2: Convert to fraction form
745,918.76/1,029,368.00 = 406,387.01/x - Step 3: Cross multiply
745,918.76x = 1,029,368.00 × 406,387.01 - Step 4: Simplify right side
745,918.76x = 418,321,776,530.91 - Step 5: Solve for x
x = 418,321,776,530.91/745,918.76 - Step 6: Final answer
x = 560,814.13
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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.