Finding the Fourth Proportional to 863,495.68, 1,191,732.16 and 496,087.68
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Solution
The fourth proportional to 863,495.68, 1,191,732.16 and 496,087.68 is: 684,663.12
Step by Step Solution
- Step 1: Write the proportion equation
863,495.68 : 1,191,732.16 = 496,087.68 : x - Step 2: Convert to fraction form
863,495.68/1,191,732.16 = 496,087.68/x - Step 3: Cross multiply
863,495.68x = 1,191,732.16 × 496,087.68 - Step 4: Simplify right side
863,495.68x = 591,203,642,435.79 - Step 5: Solve for x
x = 591,203,642,435.79/863,495.68 - Step 6: Final answer
x = 684,663.12
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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.