Finding the Fourth Proportional to 887,907.20, 1,330,548.60 and 754,062.80
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Solution
The fourth proportional to 887,907.20, 1,330,548.60 and 754,062.80 is: 1,129,979.80
Step by Step Solution
- Step 1: Write the proportion equation
887,907.20 : 1,330,548.60 = 754,062.80 : x - Step 2: Convert to fraction form
887,907.20/1,330,548.60 = 754,062.80/x - Step 3: Cross multiply
887,907.20x = 1,330,548.60 × 754,062.80 - Step 4: Simplify right side
887,907.20x = 1,003,317,202,852.08 - Step 5: Solve for x
x = 1,003,317,202,852.08/887,907.20 - Step 6: Final answer
x = 1,129,979.80
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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.