Finding the Fourth Proportional to 658,990.95, 987,464.02 and 456,981.09
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Solution
The fourth proportional to 658,990.95, 987,464.02 and 456,981.09 is: 684,762.64
Step by Step Solution
- Step 1: Write the proportion equation
658,990.95 : 987,464.02 = 456,981.09 : x - Step 2: Convert to fraction form
658,990.95/987,464.02 = 456,981.09/x - Step 3: Cross multiply
658,990.95x = 987,464.02 × 456,981.09 - Step 4: Simplify right side
658,990.95x = 451,252,384,195.38 - Step 5: Solve for x
x = 451,252,384,195.38/658,990.95 - Step 6: Final answer
x = 684,762.64
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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.