Finding the Fourth Proportional to 784,125.98, 1,081,694.88 and 512,352.75
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Solution
The fourth proportional to 784,125.98, 1,081,694.88 and 512,352.75 is: 706,786.10
Step by Step Solution
- Step 1: Write the proportion equation
784,125.98 : 1,081,694.88 = 512,352.75 : x - Step 2: Convert to fraction form
784,125.98/1,081,694.88 = 512,352.75/x - Step 3: Cross multiply
784,125.98x = 1,081,694.88 × 512,352.75 - Step 4: Simplify right side
784,125.98x = 554,209,346,428.92 - Step 5: Solve for x
x = 554,209,346,428.92/784,125.98 - Step 6: Final answer
x = 706,786.10
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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.