Finding the Fourth Proportional to 672,007.70, 927,370.21 and 370,201.70
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Solution
The fourth proportional to 672,007.70, 927,370.21 and 370,201.70 is: 510,878.12
Step by Step Solution
- Step 1: Write the proportion equation
672,007.70 : 927,370.21 = 370,201.70 : x - Step 2: Convert to fraction form
672,007.70/927,370.21 = 370,201.70/x - Step 3: Cross multiply
672,007.70x = 927,370.21 × 370,201.70 - Step 4: Simplify right side
672,007.70x = 343,314,028,271.36 - Step 5: Solve for x
x = 343,314,028,271.36/672,007.70 - Step 6: Final answer
x = 510,878.12
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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.