Finding the Fourth Proportional to 980,466.68, 1,470,784.74 and 270,494.71
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Solution
The fourth proportional to 980,466.68, 1,470,784.74 and 270,494.71 is: 405,765.44
Step by Step Solution
- Step 1: Write the proportion equation
980,466.68 : 1,470,784.74 = 270,494.71 : x - Step 2: Convert to fraction form
980,466.68/1,470,784.74 = 270,494.71/x - Step 3: Cross multiply
980,466.68x = 1,470,784.74 × 270,494.71 - Step 4: Simplify right side
980,466.68x = 397,839,490,366.25 - Step 5: Solve for x
x = 397,839,490,366.25/980,466.68 - Step 6: Final answer
x = 405,765.44
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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.