Finding the Fourth Proportional to 638,599.05, 881,394.48 and 366,853.32
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Solution
The fourth proportional to 638,599.05, 881,394.48 and 366,853.32 is: 506,330.99
Step by Step Solution
- Step 1: Write the proportion equation
638,599.05 : 881,394.48 = 366,853.32 : x - Step 2: Convert to fraction form
638,599.05/881,394.48 = 366,853.32/x - Step 3: Cross multiply
638,599.05x = 881,394.48 × 366,853.32 - Step 4: Simplify right side
638,599.05x = 323,342,491,217.67 - Step 5: Solve for x
x = 323,342,491,217.67/638,599.05 - Step 6: Final answer
x = 506,330.99
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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.