Finding the Fourth Proportional to 824,367.05, 1,137,638.30 and 480,194.00
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Solution
The fourth proportional to 824,367.05, 1,137,638.30 and 480,194.00 is: 662,674.58
Step by Step Solution
- Step 1: Write the proportion equation
824,367.05 : 1,137,638.30 = 480,194.00 : x - Step 2: Convert to fraction form
824,367.05/1,137,638.30 = 480,194.00/x - Step 3: Cross multiply
824,367.05x = 1,137,638.30 × 480,194.00 - Step 4: Simplify right side
824,367.05x = 546,287,084,708.27 - Step 5: Solve for x
x = 546,287,084,708.27/824,367.05 - Step 6: Final answer
x = 662,674.58
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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.