Finding the Fourth Proportional to 578,375.40, 798,187.86 and 320,251.08
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Solution
The fourth proportional to 578,375.40, 798,187.86 and 320,251.08 is: 441,963.00
Step by Step Solution
- Step 1: Write the proportion equation
578,375.40 : 798,187.86 = 320,251.08 : x - Step 2: Convert to fraction form
578,375.40/798,187.86 = 320,251.08/x - Step 3: Cross multiply
578,375.40x = 798,187.86 × 320,251.08 - Step 4: Simplify right side
578,375.40x = 255,620,524,207.89 - Step 5: Solve for x
x = 255,620,524,207.89/578,375.40 - Step 6: Final answer
x = 441,963.00
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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.