Finding the Fourth Proportional to 989,768.32, 1,485,398.84 and 724,213.92
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Solution
The fourth proportional to 989,768.32, 1,485,398.84 and 724,213.92 is: 1,086,866.99
Step by Step Solution
- Step 1: Write the proportion equation
989,768.32 : 1,485,398.84 = 724,213.92 : x - Step 2: Convert to fraction form
989,768.32/1,485,398.84 = 724,213.92/x - Step 3: Cross multiply
989,768.32x = 1,485,398.84 × 724,213.92 - Step 4: Simplify right side
989,768.32x = 1,075,746,516,679.85 - Step 5: Solve for x
x = 1,075,746,516,679.85/989,768.32 - Step 6: Final answer
x = 1,086,866.99
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