Finding the Fourth Proportional to 726,953.54, 1,090,473.87 and 228,317.54
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Solution
The fourth proportional to 726,953.54, 1,090,473.87 and 228,317.54 is: 342,489.99
Step by Step Solution
- Step 1: Write the proportion equation
726,953.54 : 1,090,473.87 = 228,317.54 : x - Step 2: Convert to fraction form
726,953.54/1,090,473.87 = 228,317.54/x - Step 3: Cross multiply
726,953.54x = 1,090,473.87 × 228,317.54 - Step 4: Simplify right side
726,953.54x = 248,974,311,432.68 - Step 5: Solve for x
x = 248,974,311,432.68/726,953.54 - Step 6: Final answer
x = 342,489.99
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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.