Finding the Fourth Proportional to 1,121.68, 1,682.73 and 352
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Solution
The fourth proportional to 1,121.68, 1,682.73 and 352 is: 528.07
Step by Step Solution
- Step 1: Write the proportion equation
1,121.68 : 1,682.73 = 352 : x - Step 2: Convert to fraction form
1,121.68/1,682.73 = 352/x - Step 3: Cross multiply
1,121.68x = 1,682.73 × 352 - Step 4: Simplify right side
1,121.68x = 592,320.96 - Step 5: Solve for x
x = 592,320.96/1,121.68 - Step 6: Final answer
x = 528.07
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