Finding the Fourth Proportional to 809,424.42, 1,117,081.71 and 605,121.54
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Solution
The fourth proportional to 809,424.42, 1,117,081.71 and 605,121.54 is: 835,124.55
Step by Step Solution
- Step 1: Write the proportion equation
809,424.42 : 1,117,081.71 = 605,121.54 : x - Step 2: Convert to fraction form
809,424.42/1,117,081.71 = 605,121.54/x - Step 3: Cross multiply
809,424.42x = 1,117,081.71 × 605,121.54 - Step 4: Simplify right side
809,424.42x = 675,970,204,661.03 - Step 5: Solve for x
x = 675,970,204,661.03/809,424.42 - Step 6: Final answer
x = 835,124.55
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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.