Finding the Fourth Proportional to 989,424.94, 1,365,406.86 and 559,695.94
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Solution
The fourth proportional to 989,424.94, 1,365,406.86 and 559,695.94 is: 772,380.65
Step by Step Solution
- Step 1: Write the proportion equation
989,424.94 : 1,365,406.86 = 559,695.94 : x - Step 2: Convert to fraction form
989,424.94/1,365,406.86 = 559,695.94/x - Step 3: Cross multiply
989,424.94x = 1,365,406.86 × 559,695.94 - Step 4: Simplify right side
989,424.94x = 764,212,675,990.15 - Step 5: Solve for x
x = 764,212,675,990.15/989,424.94 - Step 6: Final answer
x = 772,380.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.