Finding the Fourth Proportional to 813,423.09, 1,122,591.05 and 450,960.65
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Solution
The fourth proportional to 813,423.09, 1,122,591.05 and 450,960.65 is: 622,362.94
Step by Step Solution
- Step 1: Write the proportion equation
813,423.09 : 1,122,591.05 = 450,960.65 : x - Step 2: Convert to fraction form
813,423.09/1,122,591.05 = 450,960.65/x - Step 3: Cross multiply
813,423.09x = 1,122,591.05 × 450,960.65 - Step 4: Simplify right side
813,423.09x = 506,244,389,592.18 - Step 5: Solve for x
x = 506,244,389,592.18/813,423.09 - Step 6: Final answer
x = 622,362.94
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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.