Finding the Fourth Proportional to 578,042.06, 797,431.84 and 374,158.58
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Solution
The fourth proportional to 578,042.06, 797,431.84 and 374,158.58 is: 516,166.53
Step by Step Solution
- Step 1: Write the proportion equation
578,042.06 : 797,431.84 = 374,158.58 : x - Step 2: Convert to fraction form
578,042.06/797,431.84 = 374,158.58/x - Step 3: Cross multiply
578,042.06x = 797,431.84 × 374,158.58 - Step 4: Simplify right side
578,042.06x = 298,365,959,978.63 - Step 5: Solve for x
x = 298,365,959,978.63/578,042.06 - Step 6: Final answer
x = 516,166.53
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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.