Finding the Fourth Proportional to 813,591.55, 1,122,756.31 and 451,014.49
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Solution
The fourth proportional to 813,591.55, 1,122,756.31 and 451,014.49 is: 622,399.98
Step by Step Solution
- Step 1: Write the proportion equation
813,591.55 : 1,122,756.31 = 451,014.49 : x - Step 2: Convert to fraction form
813,591.55/1,122,756.31 = 451,014.49/x - Step 3: Cross multiply
813,591.55x = 1,122,756.31 × 451,014.49 - Step 4: Simplify right side
813,591.55x = 506,379,360,614.51 - Step 5: Solve for x
x = 506,379,360,614.51/813,591.55 - Step 6: Final answer
x = 622,399.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.