Finding the Fourth Proportional to 853,581.16, 1,177,989.25 and 471,599.74
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Solution
The fourth proportional to 853,581.16, 1,177,989.25 and 471,599.74 is: 650,833.75
Step by Step Solution
- Step 1: Write the proportion equation
853,581.16 : 1,177,989.25 = 471,599.74 : x - Step 2: Convert to fraction form
853,581.16/1,177,989.25 = 471,599.74/x - Step 3: Cross multiply
853,581.16x = 1,177,989.25 × 471,599.74 - Step 4: Simplify right side
853,581.16x = 555,539,424,022.80 - Step 5: Solve for x
x = 555,539,424,022.80/853,581.16 - Step 6: Final answer
x = 650,833.75
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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.