Finding the Fourth Proportional to 659,336.17, 989,181.79 and 339,313.68
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Solution
The fourth proportional to 659,336.17, 989,181.79 and 339,313.68 is: 509,061.88
Step by Step Solution
- Step 1: Write the proportion equation
659,336.17 : 989,181.79 = 339,313.68 : x - Step 2: Convert to fraction form
659,336.17/989,181.79 = 339,313.68/x - Step 3: Cross multiply
659,336.17x = 989,181.79 × 339,313.68 - Step 4: Simplify right side
659,336.17x = 335,642,913,353.89 - Step 5: Solve for x
x = 335,642,913,353.89/659,336.17 - Step 6: Final answer
x = 509,061.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.