Finding the Fourth Proportional to 628,316.73, 867,073.14 and 341,838.09
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Solution
The fourth proportional to 628,316.73, 867,073.14 and 341,838.09 is: 471,734.42
Step by Step Solution
- Step 1: Write the proportion equation
628,316.73 : 867,073.14 = 341,838.09 : x - Step 2: Convert to fraction form
628,316.73/867,073.14 = 341,838.09/x - Step 3: Cross multiply
628,316.73x = 867,073.14 × 341,838.09 - Step 4: Simplify right side
628,316.73x = 296,398,626,067.90 - Step 5: Solve for x
x = 296,398,626,067.90/628,316.73 - Step 6: Final answer
x = 471,734.42
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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.