Finding the Fourth Proportional to 722,371.36, 996,879.84 and 435,836.08
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Solution
The fourth proportional to 722,371.36, 996,879.84 and 435,836.08 is: 601,458.23
Step by Step Solution
- Step 1: Write the proportion equation
722,371.36 : 996,879.84 = 435,836.08 : x - Step 2: Convert to fraction form
722,371.36/996,879.84 = 435,836.08/x - Step 3: Cross multiply
722,371.36x = 996,879.84 × 435,836.08 - Step 4: Simplify right side
722,371.36x = 434,476,201,696.63 - Step 5: Solve for x
x = 434,476,201,696.63/722,371.36 - Step 6: Final answer
x = 601,458.23
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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.