Finding the Fourth Proportional to 816,389.04, 1,126,641.24 and 494,158.08
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Solution
The fourth proportional to 816,389.04, 1,126,641.24 and 494,158.08 is: 681,952.90
Step by Step Solution
- Step 1: Write the proportion equation
816,389.04 : 1,126,641.24 = 494,158.08 : x - Step 2: Convert to fraction form
816,389.04/1,126,641.24 = 494,158.08/x - Step 3: Cross multiply
816,389.04x = 1,126,641.24 × 494,158.08 - Step 4: Simplify right side
816,389.04x = 556,738,872,007.22 - Step 5: Solve for x
x = 556,738,872,007.22/816,389.04 - Step 6: Final answer
x = 681,952.90
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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.