Finding the Fourth Proportional to 859,639.37, 1,186,328.99 and 472,447.73
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Solution
The fourth proportional to 859,639.37, 1,186,328.99 and 472,447.73 is: 651,992.53
Step by Step Solution
- Step 1: Write the proportion equation
859,639.37 : 1,186,328.99 = 472,447.73 : x - Step 2: Convert to fraction form
859,639.37/1,186,328.99 = 472,447.73/x - Step 3: Cross multiply
859,639.37x = 1,186,328.99 × 472,447.73 - Step 4: Simplify right side
859,639.37x = 560,478,442,505.63 - Step 5: Solve for x
x = 560,478,442,505.63/859,639.37 - Step 6: Final answer
x = 651,992.53
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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.