Finding the Fourth Proportional to 841,123.94, 1,160,736.10 and 478,539.99
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Solution
The fourth proportional to 841,123.94, 1,160,736.10 and 478,539.99 is: 660,376.69
Step by Step Solution
- Step 1: Write the proportion equation
841,123.94 : 1,160,736.10 = 478,539.99 : x - Step 2: Convert to fraction form
841,123.94/1,160,736.10 = 478,539.99/x - Step 3: Cross multiply
841,123.94x = 1,160,736.10 × 478,539.99 - Step 4: Simplify right side
841,123.94x = 555,458,640,490.29 - Step 5: Solve for x
x = 555,458,640,490.29/841,123.94 - Step 6: Final answer
x = 660,376.69
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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.