Finding the Fourth Proportional to 989,634.24, 1,365,724.04 and 559,905.14
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Solution
The fourth proportional to 989,634.24, 1,365,724.04 and 559,905.14 is: 772,685.38
Step by Step Solution
- Step 1: Write the proportion equation
989,634.24 : 1,365,724.04 = 559,905.14 : x - Step 2: Convert to fraction form
989,634.24/1,365,724.04 = 559,905.14/x - Step 3: Cross multiply
989,634.24x = 1,365,724.04 × 559,905.14 - Step 4: Simplify right side
989,634.24x = 764,675,913,581.82 - Step 5: Solve for x
x = 764,675,913,581.82/989,634.24 - Step 6: Final answer
x = 772,685.38
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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.