Finding the Fourth Proportional to 626,874.75, 865,087.16 and 358,602.75
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Solution
The fourth proportional to 626,874.75, 865,087.16 and 358,602.75 is: 494,871.80
Step by Step Solution
- Step 1: Write the proportion equation
626,874.75 : 865,087.16 = 358,602.75 : x - Step 2: Convert to fraction form
626,874.75/865,087.16 = 358,602.75/x - Step 3: Cross multiply
626,874.75x = 865,087.16 × 358,602.75 - Step 4: Simplify right side
626,874.75x = 310,222,632,772.68 - Step 5: Solve for x
x = 310,222,632,772.68/626,874.75 - Step 6: Final answer
x = 494,871.80
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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.