Finding the Fourth Proportional to 955,674.96, 1,318,804.92 and 542,287.02
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Solution
The fourth proportional to 955,674.96, 1,318,804.92 and 542,287.02 is: 748,341.04
Step by Step Solution
- Step 1: Write the proportion equation
955,674.96 : 1,318,804.92 = 542,287.02 : x - Step 2: Convert to fraction form
955,674.96/1,318,804.92 = 542,287.02/x - Step 3: Cross multiply
955,674.96x = 1,318,804.92 × 542,287.02 - Step 4: Simplify right side
955,674.96x = 715,170,790,028.14 - Step 5: Solve for x
x = 715,170,790,028.14/955,674.96 - Step 6: Final answer
x = 748,341.04
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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.