Finding the Fourth Proportional to 672,523.56, 928,071.68 and 366,612.08
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Solution
The fourth proportional to 672,523.56, 928,071.68 and 366,612.08 is: 505,918.76
Step by Step Solution
- Step 1: Write the proportion equation
672,523.56 : 928,071.68 = 366,612.08 : x - Step 2: Convert to fraction form
672,523.56/928,071.68 = 366,612.08/x - Step 3: Cross multiply
672,523.56x = 928,071.68 × 366,612.08 - Step 4: Simplify right side
672,523.56x = 340,242,282,520.48 - Step 5: Solve for x
x = 340,242,282,520.48/672,523.56 - Step 6: Final answer
x = 505,918.76
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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.