Finding the Fourth Proportional to 574,853.19, 793,321.88 and 320,204.49
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Solution
The fourth proportional to 574,853.19, 793,321.88 and 320,204.49 is: 441,895.83
Step by Step Solution
- Step 1: Write the proportion equation
574,853.19 : 793,321.88 = 320,204.49 : x - Step 2: Convert to fraction form
574,853.19/793,321.88 = 320,204.49/x - Step 3: Cross multiply
574,853.19x = 793,321.88 × 320,204.49 - Step 4: Simplify right side
574,853.19x = 254,025,226,390.22 - Step 5: Solve for x
x = 254,025,226,390.22/574,853.19 - Step 6: Final answer
x = 441,895.83
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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.