Finding the Fourth Proportional to 980,713.41, 1,471,154.76 and 270,741.53
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Solution
The fourth proportional to 980,713.41, 1,471,154.76 and 270,741.53 is: 406,135.66
Step by Step Solution
- Step 1: Write the proportion equation
980,713.41 : 1,471,154.76 = 270,741.53 : x - Step 2: Convert to fraction form
980,713.41/1,471,154.76 = 270,741.53/x - Step 3: Cross multiply
980,713.41x = 1,471,154.76 × 270,741.53 - Step 4: Simplify right side
980,713.41x = 398,302,683,233.41 - Step 5: Solve for x
x = 398,302,683,233.41/980,713.41 - Step 6: Final answer
x = 406,135.66
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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.