Finding the Fourth Proportional to 779,976.24, 1,170,035.76 and 219,006.96
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Solution
The fourth proportional to 779,976.24, 1,170,035.76 and 219,006.96 is: 328,530.49
Step by Step Solution
- Step 1: Write the proportion equation
779,976.24 : 1,170,035.76 = 219,006.96 : x - Step 2: Convert to fraction form
779,976.24/1,170,035.76 = 219,006.96/x - Step 3: Cross multiply
779,976.24x = 1,170,035.76 × 219,006.96 - Step 4: Simplify right side
779,976.24x = 256,245,974,888.89 - Step 5: Solve for x
x = 256,245,974,888.89/779,976.24 - Step 6: Final answer
x = 328,530.49
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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.