Finding the Fourth Proportional to 703,342.62, 1,053,745.44 and 433,000.26
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Solution
The fourth proportional to 703,342.62, 1,053,745.44 and 433,000.26 is: 648,719.47
Step by Step Solution
- Step 1: Write the proportion equation
703,342.62 : 1,053,745.44 = 433,000.26 : x - Step 2: Convert to fraction form
703,342.62/1,053,745.44 = 433,000.26/x - Step 3: Cross multiply
703,342.62x = 1,053,745.44 × 433,000.26 - Step 4: Simplify right side
703,342.62x = 456,272,049,493.81 - Step 5: Solve for x
x = 456,272,049,493.81/703,342.62 - Step 6: Final answer
x = 648,719.47
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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.