Finding the Fourth Proportional to 745,802.26, 1,029,201.78 and 406,270.60
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Solution
The fourth proportional to 745,802.26, 1,029,201.78 and 406,270.60 is: 560,650.52
Step by Step Solution
- Step 1: Write the proportion equation
745,802.26 : 1,029,201.78 = 406,270.60 : x - Step 2: Convert to fraction form
745,802.26/1,029,201.78 = 406,270.60/x - Step 3: Cross multiply
745,802.26x = 1,029,201.78 × 406,270.60 - Step 4: Simplify right side
745,802.26x = 418,134,424,681.67 - Step 5: Solve for x
x = 418,134,424,681.67/745,802.26 - Step 6: Final answer
x = 560,650.52
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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.