Finding the Fourth Proportional to 442,045.71, 658,901.43 and 419,607.09
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Solution
The fourth proportional to 442,045.71, 658,901.43 and 419,607.09 is: 625,455.03
Step by Step Solution
- Step 1: Write the proportion equation
442,045.71 : 658,901.43 = 419,607.09 : x - Step 2: Convert to fraction form
442,045.71/658,901.43 = 419,607.09/x - Step 3: Cross multiply
442,045.71x = 658,901.43 × 419,607.09 - Step 4: Simplify right side
442,045.71x = 276,479,711,639.14 - Step 5: Solve for x
x = 276,479,711,639.14/442,045.71 - Step 6: Final answer
x = 625,455.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.