Finding the Fourth Proportional to 864,179.78, 1,193,129.84 and 773,379.63
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Solution
The fourth proportional to 864,179.78, 1,193,129.84 and 773,379.63 is: 1,067,766.61
Step by Step Solution
- Step 1: Write the proportion equation
864,179.78 : 1,193,129.84 = 773,379.63 : x - Step 2: Convert to fraction form
864,179.78/1,193,129.84 = 773,379.63/x - Step 3: Cross multiply
864,179.78x = 1,193,129.84 × 773,379.63 - Step 4: Simplify right side
864,179.78x = 922,742,310,334.26 - Step 5: Solve for x
x = 922,742,310,334.26/864,179.78 - Step 6: Final answer
x = 1,067,766.61
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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.