Finding the Fourth Proportional to 798,970.36, 1,102,573.48 and 436,394.32
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Solution
The fourth proportional to 798,970.36, 1,102,573.48 and 436,394.32 is: 602,221.09
Step by Step Solution
- Step 1: Write the proportion equation
798,970.36 : 1,102,573.48 = 436,394.32 : x - Step 2: Convert to fraction form
798,970.36/1,102,573.48 = 436,394.32/x - Step 3: Cross multiply
798,970.36x = 1,102,573.48 × 436,394.32 - Step 4: Simplify right side
798,970.36x = 481,156,804,054.63 - Step 5: Solve for x
x = 481,156,804,054.63/798,970.36 - Step 6: Final answer
x = 602,221.09
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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.