Finding the Fourth Proportional to 660,548.98, 911,613.81 and 374,120.02
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Solution
The fourth proportional to 660,548.98, 911,613.81 and 374,120.02 is: 516,317.47
Step by Step Solution
- Step 1: Write the proportion equation
660,548.98 : 911,613.81 = 374,120.02 : x - Step 2: Convert to fraction form
660,548.98/911,613.81 = 374,120.02/x - Step 3: Cross multiply
660,548.98x = 911,613.81 × 374,120.02 - Step 4: Simplify right side
660,548.98x = 341,052,976,829.48 - Step 5: Solve for x
x = 341,052,976,829.48/660,548.98 - Step 6: Final answer
x = 516,317.47
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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.