Finding the Fourth Proportional to 676,608.09, 933,707.84 and 370,681.62
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Solution
The fourth proportional to 676,608.09, 933,707.84 and 370,681.62 is: 511,534.43
Step by Step Solution
- Step 1: Write the proportion equation
676,608.09 : 933,707.84 = 370,681.62 : x - Step 2: Convert to fraction form
676,608.09/933,707.84 = 370,681.62/x - Step 3: Cross multiply
676,608.09x = 933,707.84 × 370,681.62 - Step 4: Simplify right side
676,608.09x = 346,108,332,884.49 - Step 5: Solve for x
x = 346,108,332,884.49/676,608.09 - Step 6: Final answer
x = 511,534.43
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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.