Finding the Fourth Proportional to 771,732.36, 1,157,642.24 and 239,329.08
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Solution
The fourth proportional to 771,732.36, 1,157,642.24 and 239,329.08 is: 359,007.17
Step by Step Solution
- Step 1: Write the proportion equation
771,732.36 : 1,157,642.24 = 239,329.08 : x - Step 2: Convert to fraction form
771,732.36/1,157,642.24 = 239,329.08/x - Step 3: Cross multiply
771,732.36x = 1,157,642.24 × 239,329.08 - Step 4: Simplify right side
771,732.36x = 277,057,451,071.69 - Step 5: Solve for x
x = 277,057,451,071.69/771,732.36 - Step 6: Final answer
x = 359,007.17
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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.