Finding the Fourth Proportional to 834,665.18, 1,151,839.98 and 452,691.99
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Solution
The fourth proportional to 834,665.18, 1,151,839.98 and 452,691.99 is: 624,716.05
Step by Step Solution
- Step 1: Write the proportion equation
834,665.18 : 1,151,839.98 = 452,691.99 : x - Step 2: Convert to fraction form
834,665.18/1,151,839.98 = 452,691.99/x - Step 3: Cross multiply
834,665.18x = 1,151,839.98 × 452,691.99 - Step 4: Simplify right side
834,665.18x = 521,428,732,707.76 - Step 5: Solve for x
x = 521,428,732,707.76/834,665.18 - Step 6: Final answer
x = 624,716.05
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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.