Finding the Fourth Proportional to 983,979.48, 1,474,701.97 and 477,560.42
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Solution
The fourth proportional to 983,979.48, 1,474,701.97 and 477,560.42 is: 715,725.59
Step by Step Solution
- Step 1: Write the proportion equation
983,979.48 : 1,474,701.97 = 477,560.42 : x - Step 2: Convert to fraction form
983,979.48/1,474,701.97 = 477,560.42/x - Step 3: Cross multiply
983,979.48x = 1,474,701.97 × 477,560.42 - Step 4: Simplify right side
983,979.48x = 704,259,292,168.03 - Step 5: Solve for x
x = 704,259,292,168.03/983,979.48 - Step 6: Final answer
x = 715,725.59
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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.