Finding the Fourth Proportional to 578,197.96, 797,874.62 and 320,057.44
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Solution
The fourth proportional to 578,197.96, 797,874.62 and 320,057.44 is: 441,657.92
Step by Step Solution
- Step 1: Write the proportion equation
578,197.96 : 797,874.62 = 320,057.44 : x - Step 2: Convert to fraction form
578,197.96/797,874.62 = 320,057.44/x - Step 3: Cross multiply
578,197.96x = 797,874.62 × 320,057.44 - Step 4: Simplify right side
578,197.96x = 255,365,708,318.17 - Step 5: Solve for x
x = 255,365,708,318.17/578,197.96 - Step 6: Final answer
x = 441,657.92
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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.