Finding the Fourth Proportional to 807,717.16, 1,211,588.36 and 239,155.92
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Solution
The fourth proportional to 807,717.16, 1,211,588.36 and 239,155.92 is: 358,737.62
Step by Step Solution
- Step 1: Write the proportion equation
807,717.16 : 1,211,588.36 = 239,155.92 : x - Step 2: Convert to fraction form
807,717.16/1,211,588.36 = 239,155.92/x - Step 3: Cross multiply
807,717.16x = 1,211,588.36 × 239,155.92 - Step 4: Simplify right side
807,717.16x = 289,758,528,897.09 - Step 5: Solve for x
x = 289,758,528,897.09/807,717.16 - Step 6: Final answer
x = 358,737.62
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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.