Finding the Fourth Proportional to 549,283.62, 757,888.79 and 331,527.62
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Solution
The fourth proportional to 549,283.62, 757,888.79 and 331,527.62 is: 457,434.12
Step by Step Solution
- Step 1: Write the proportion equation
549,283.62 : 757,888.79 = 331,527.62 : x - Step 2: Convert to fraction form
549,283.62/757,888.79 = 331,527.62/x - Step 3: Cross multiply
549,283.62x = 757,888.79 × 331,527.62 - Step 4: Simplify right side
549,283.62x = 251,261,069,496.92 - Step 5: Solve for x
x = 251,261,069,496.92/549,283.62 - Step 6: Final answer
x = 457,434.12
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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.