Finding the Fourth Proportional to 767,968.17, 1,059,821.53 and 419,127.68
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Solution
The fourth proportional to 767,968.17, 1,059,821.53 and 419,127.68 is: 578,410.09
Step by Step Solution
- Step 1: Write the proportion equation
767,968.17 : 1,059,821.53 = 419,127.68 : x - Step 2: Convert to fraction form
767,968.17/1,059,821.53 = 419,127.68/x - Step 3: Cross multiply
767,968.17x = 1,059,821.53 × 419,127.68 - Step 4: Simplify right side
767,968.17x = 444,200,539,082.95 - Step 5: Solve for x
x = 444,200,539,082.95/767,968.17 - Step 6: Final answer
x = 578,410.09
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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.