Finding the Fourth Proportional to 991,651.60, 1,368,728.04 and 562,187.98
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Solution
The fourth proportional to 991,651.60, 1,368,728.04 and 562,187.98 is: 775,960.48
Step by Step Solution
- Step 1: Write the proportion equation
991,651.60 : 1,368,728.04 = 562,187.98 : x - Step 2: Convert to fraction form
991,651.60/1,368,728.04 = 562,187.98/x - Step 3: Cross multiply
991,651.60x = 1,368,728.04 × 562,187.98 - Step 4: Simplify right side
991,651.60x = 769,482,451,976.96 - Step 5: Solve for x
x = 769,482,451,976.96/991,651.60 - Step 6: Final answer
x = 775,960.48
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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.