Finding the Fourth Proportional to 684,724.99, 944,750.71 and 442,716.35
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Solution
The fourth proportional to 684,724.99, 944,750.71 and 442,716.35 is: 610,838.79
Step by Step Solution
- Step 1: Write the proportion equation
684,724.99 : 944,750.71 = 442,716.35 : x - Step 2: Convert to fraction form
684,724.99/944,750.71 = 442,716.35/x - Step 3: Cross multiply
684,724.99x = 944,750.71 × 442,716.35 - Step 4: Simplify right side
684,724.99x = 418,256,585,991.11 - Step 5: Solve for x
x = 418,256,585,991.11/684,724.99 - Step 6: Final answer
x = 610,838.79
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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.