Finding the Fourth Proportional to 774,400.86, 1,161,598.74 and 205,839.18
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Solution
The fourth proportional to 774,400.86, 1,161,598.74 and 205,839.18 is: 308,758.09
Step by Step Solution
- Step 1: Write the proportion equation
774,400.86 : 1,161,598.74 = 205,839.18 : x - Step 2: Convert to fraction form
774,400.86/1,161,598.74 = 205,839.18/x - Step 3: Cross multiply
774,400.86x = 1,161,598.74 × 205,839.18 - Step 4: Simplify right side
774,400.86x = 239,102,532,130.63 - Step 5: Solve for x
x = 239,102,532,130.63/774,400.86 - Step 6: Final answer
x = 308,758.09
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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.