Finding the Fourth Proportional to 745,802.01, 1,029,201.39 and 406,270.26
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Solution
The fourth proportional to 745,802.01, 1,029,201.39 and 406,270.26 is: 560,650.03
Step by Step Solution
- Step 1: Write the proportion equation
745,802.01 : 1,029,201.39 = 406,270.26 : x - Step 2: Convert to fraction form
745,802.01/1,029,201.39 = 406,270.26/x - Step 3: Cross multiply
745,802.01x = 1,029,201.39 × 406,270.26 - Step 4: Simplify right side
745,802.01x = 418,133,916,307.66 - Step 5: Solve for x
x = 418,133,916,307.66/745,802.01 - Step 6: Final answer
x = 560,650.03
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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.