Finding the Fourth Proportional to 755,998.45, 1,134,163.62 and 555,711.64
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Solution
The fourth proportional to 755,998.45, 1,134,163.62 and 555,711.64 is: 833,689.44
Step by Step Solution
- Step 1: Write the proportion equation
755,998.45 : 1,134,163.62 = 555,711.64 : x - Step 2: Convert to fraction form
755,998.45/1,134,163.62 = 555,711.64/x - Step 3: Cross multiply
755,998.45x = 1,134,163.62 × 555,711.64 - Step 4: Simplify right side
755,998.45x = 630,267,922,463.13 - Step 5: Solve for x
x = 630,267,922,463.13/755,998.45 - Step 6: Final answer
x = 833,689.44
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1.5x scale
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.