Finding the Fourth Proportional to 481,414.34, 664,374.60 and 290,423.63
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Solution
The fourth proportional to 481,414.34, 664,374.60 and 290,423.63 is: 400,798.37
Step by Step Solution
- Step 1: Write the proportion equation
481,414.34 : 664,374.60 = 290,423.63 : x - Step 2: Convert to fraction form
481,414.34/664,374.60 = 290,423.63/x - Step 3: Cross multiply
481,414.34x = 664,374.60 × 290,423.63 - Step 4: Simplify right side
481,414.34x = 192,950,079,689.93 - Step 5: Solve for x
x = 192,950,079,689.93/481,414.34 - Step 6: Final answer
x = 400,798.37
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1.5x scale
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.