Finding the Fourth Proportional to 809,968.20, 1,214,952.30 and 597,391.80
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Solution
The fourth proportional to 809,968.20, 1,214,952.30 and 597,391.80 is: 896,087.70
Step by Step Solution
- Step 1: Write the proportion equation
809,968.20 : 1,214,952.30 = 597,391.80 : x - Step 2: Convert to fraction form
809,968.20/1,214,952.30 = 597,391.80/x - Step 3: Cross multiply
809,968.20x = 1,214,952.30 × 597,391.80 - Step 4: Simplify right side
809,968.20x = 725,802,541,411.14 - Step 5: Solve for x
x = 725,802,541,411.14/809,968.20 - Step 6: Final answer
x = 896,087.70
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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.