Finding the Fourth Proportional to 863,972.91, 1,296,537.83 and 358,534.38
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Solution
The fourth proportional to 863,972.91, 1,296,537.83 and 358,534.38 is: 538,041.62
Step by Step Solution
- Step 1: Write the proportion equation
863,972.91 : 1,296,537.83 = 358,534.38 : x - Step 2: Convert to fraction form
863,972.91/1,296,537.83 = 358,534.38/x - Step 3: Cross multiply
863,972.91x = 1,296,537.83 × 358,534.38 - Step 4: Simplify right side
863,972.91x = 464,853,385,232.92 - Step 5: Solve for x
x = 464,853,385,232.92/863,972.91 - Step 6: Final answer
x = 538,041.62
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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.