Finding the Fourth Proportional to 779,981.24, 1,170,043.26 and 219,011.96
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Solution
The fourth proportional to 779,981.24, 1,170,043.26 and 219,011.96 is: 328,537.99
Step by Step Solution
- Step 1: Write the proportion equation
779,981.24 : 1,170,043.26 = 219,011.96 : x - Step 2: Convert to fraction form
779,981.24/1,170,043.26 = 219,011.96/x - Step 3: Cross multiply
779,981.24x = 1,170,043.26 × 219,011.96 - Step 4: Simplify right side
779,981.24x = 256,253,467,657.39 - Step 5: Solve for x
x = 256,253,467,657.39/779,981.24 - Step 6: Final answer
x = 328,537.99
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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.