Finding the Fourth Proportional to 699,106.56, 964,848.96 and 397,345.92
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Solution
The fourth proportional to 699,106.56, 964,848.96 and 397,345.92 is: 548,383.92
Step by Step Solution
- Step 1: Write the proportion equation
699,106.56 : 964,848.96 = 397,345.92 : x - Step 2: Convert to fraction form
699,106.56/964,848.96 = 397,345.92/x - Step 3: Cross multiply
699,106.56x = 964,848.96 × 397,345.92 - Step 4: Simplify right side
699,106.56x = 383,378,797,672.24 - Step 5: Solve for x
x = 383,378,797,672.24/699,106.56 - Step 6: Final answer
x = 548,383.92
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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.