Finding the Fourth Proportional to 771,724.47, 1,157,630.44 and 239,321.19
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Solution
The fourth proportional to 771,724.47, 1,157,630.44 and 239,321.19 is: 358,995.35
Step by Step Solution
- Step 1: Write the proportion equation
771,724.47 : 1,157,630.44 = 239,321.19 : x - Step 2: Convert to fraction form
771,724.47/1,157,630.44 = 239,321.19/x - Step 3: Cross multiply
771,724.47x = 1,157,630.44 × 239,321.19 - Step 4: Simplify right side
771,724.47x = 277,045,494,481.02 - Step 5: Solve for x
x = 277,045,494,481.02/771,724.47 - Step 6: Final answer
x = 358,995.35
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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.