Finding the Fourth Proportional to 672,013.07, 927,377.62 and 370,207.07
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Solution
The fourth proportional to 672,013.07, 927,377.62 and 370,207.07 is: 510,885.53
Step by Step Solution
- Step 1: Write the proportion equation
672,013.07 : 927,377.62 = 370,207.07 : x - Step 2: Convert to fraction form
672,013.07/927,377.62 = 370,207.07/x - Step 3: Cross multiply
672,013.07x = 927,377.62 × 370,207.07 - Step 4: Simplify right side
672,013.07x = 343,321,751,483.77 - Step 5: Solve for x
x = 343,321,751,483.77/672,013.07 - Step 6: Final answer
x = 510,885.53
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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.