Finding the Fourth Proportional to 660,368.40, 990,552.60 and 656,431.80
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Solution
The fourth proportional to 660,368.40, 990,552.60 and 656,431.80 is: 984,647.70
Step by Step Solution
- Step 1: Write the proportion equation
660,368.40 : 990,552.60 = 656,431.80 : x - Step 2: Convert to fraction form
660,368.40/990,552.60 = 656,431.80/x - Step 3: Cross multiply
660,368.40x = 990,552.60 × 656,431.80 - Step 4: Simplify right side
660,368.40x = 650,230,226,212.68 - Step 5: Solve for x
x = 650,230,226,212.68/660,368.40 - Step 6: Final answer
x = 984,647.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.