Finding the Fourth Proportional to 779,979.24, 1,170,040.26 and 219,009.96
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Solution
The fourth proportional to 779,979.24, 1,170,040.26 and 219,009.96 is: 328,534.99
Step by Step Solution
- Step 1: Write the proportion equation
779,979.24 : 1,170,040.26 = 219,009.96 : x - Step 2: Convert to fraction form
779,979.24/1,170,040.26 = 219,009.96/x - Step 3: Cross multiply
779,979.24x = 1,170,040.26 × 219,009.96 - Step 4: Simplify right side
779,979.24x = 256,250,470,540.99 - Step 5: Solve for x
x = 256,250,470,540.99/779,979.24 - Step 6: Final answer
x = 328,534.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.