Finding the Fourth Proportional to 660,651.12, 911,697.76 and 374,226.44
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Solution
The fourth proportional to 660,651.12, 911,697.76 and 374,226.44 is: 516,432.04
Step by Step Solution
- Step 1: Write the proportion equation
660,651.12 : 911,697.76 = 374,226.44 : x - Step 2: Convert to fraction form
660,651.12/911,697.76 = 374,226.44/x - Step 3: Cross multiply
660,651.12x = 911,697.76 × 374,226.44 - Step 4: Simplify right side
660,651.12x = 341,181,407,080.77 - Step 5: Solve for x
x = 341,181,407,080.77/660,651.12 - Step 6: Final answer
x = 516,432.04
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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.