Finding the Fourth Proportional to 660,969.37, 912,135.36 and 374,544.19
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Solution
The fourth proportional to 660,969.37, 912,135.36 and 374,544.19 is: 516,869.64
Step by Step Solution
- Step 1: Write the proportion equation
660,969.37 : 912,135.36 = 374,544.19 : x - Step 2: Convert to fraction form
660,969.37/912,135.36 = 374,544.19/x - Step 3: Cross multiply
660,969.37x = 912,135.36 × 374,544.19 - Step 4: Simplify right side
660,969.37x = 341,634,999,581.56 - Step 5: Solve for x
x = 341,634,999,581.56/660,969.37 - Step 6: Final answer
x = 516,869.64
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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.