Finding the Fourth Proportional to 980,466.09, 1,470,700.29 and 306,550.95
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Solution
The fourth proportional to 980,466.09, 1,470,700.29 and 306,550.95 is: 459,826.79
Step by Step Solution
- Step 1: Write the proportion equation
980,466.09 : 1,470,700.29 = 306,550.95 : x - Step 2: Convert to fraction form
980,466.09/1,470,700.29 = 306,550.95/x - Step 3: Cross multiply
980,466.09x = 1,470,700.29 × 306,550.95 - Step 4: Simplify right side
980,466.09x = 450,844,571,064.78 - Step 5: Solve for x
x = 450,844,571,064.78/980,466.09 - Step 6: Final answer
x = 459,826.79
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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.