Finding the Fourth Proportional to 710,891.36, 980,736.33 and 496,157.12
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Solution
The fourth proportional to 710,891.36, 980,736.33 and 496,157.12 is: 684,491.81
Step by Step Solution
- Step 1: Write the proportion equation
710,891.36 : 980,736.33 = 496,157.12 : x - Step 2: Convert to fraction form
710,891.36/980,736.33 = 496,157.12/x - Step 3: Cross multiply
710,891.36x = 980,736.33 × 496,157.12 - Step 4: Simplify right side
710,891.36x = 486,599,308,068.49 - Step 5: Solve for x
x = 486,599,308,068.49/710,891.36 - Step 6: Final answer
x = 684,491.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.