Finding the Fourth Proportional to 1,543,450.42, 2,315,263.12 and 478,643.86
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Solution
The fourth proportional to 1,543,450.42, 2,315,263.12 and 478,643.86 is: 717,992.92
Step by Step Solution
- Step 1: Write the proportion equation
1,543,450.42 : 2,315,263.12 = 478,643.86 : x - Step 2: Convert to fraction form
1,543,450.42/2,315,263.12 = 478,643.86/x - Step 3: Cross multiply
1,543,450.42x = 2,315,263.12 × 478,643.86 - Step 4: Simplify right side
1,543,450.42x = 1,108,186,476,672.44 - Step 5: Solve for x
x = 1,108,186,476,672.44/1,543,450.42 - Step 6: Final answer
x = 717,992.92
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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.