Finding the Fourth Proportional to 726,306.96, 1,089,584.53 and 299,609.53
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Solution
The fourth proportional to 726,306.96, 1,089,584.53 and 299,609.53 is: 449,465.48
Step by Step Solution
- Step 1: Write the proportion equation
726,306.96 : 1,089,584.53 = 299,609.53 : x - Step 2: Convert to fraction form
726,306.96/1,089,584.53 = 299,609.53/x - Step 3: Cross multiply
726,306.96x = 1,089,584.53 × 299,609.53 - Step 4: Simplify right side
726,306.96x = 326,449,905,455.59 - Step 5: Solve for x
x = 326,449,905,455.59/726,306.96 - Step 6: Final answer
x = 449,465.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.