Finding the Fourth Proportional to 853,425.36, 1,177,683.48 and 471,378.24
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Solution
The fourth proportional to 853,425.36, 1,177,683.48 and 471,378.24 is: 650,477.94
Step by Step Solution
- Step 1: Write the proportion equation
853,425.36 : 1,177,683.48 = 471,378.24 : x - Step 2: Convert to fraction form
853,425.36/1,177,683.48 = 471,378.24/x - Step 3: Cross multiply
853,425.36x = 1,177,683.48 × 471,378.24 - Step 4: Simplify right side
853,425.36x = 555,134,366,079.48 - Step 5: Solve for x
x = 555,134,366,079.48/853,425.36 - Step 6: Final answer
x = 650,477.94
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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.