Finding the Fourth Proportional to 1,008,201.80, 1,512,302.70 and 535,809.80
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Solution
The fourth proportional to 1,008,201.80, 1,512,302.70 and 535,809.80 is: 803,714.70
Step by Step Solution
- Step 1: Write the proportion equation
1,008,201.80 : 1,512,302.70 = 535,809.80 : x - Step 2: Convert to fraction form
1,008,201.80/1,512,302.70 = 535,809.80/x - Step 3: Cross multiply
1,008,201.80x = 1,512,302.70 × 535,809.80 - Step 4: Simplify right side
1,008,201.80x = 810,306,607,226.46 - Step 5: Solve for x
x = 810,306,607,226.46/1,008,201.80 - Step 6: Final answer
x = 803,714.70
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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.