Finding the Fourth Proportional to 943,631.21, 1,302,247.94 and 535,771.05
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Solution
The fourth proportional to 943,631.21, 1,302,247.94 and 535,771.05 is: 739,384.98
Step by Step Solution
- Step 1: Write the proportion equation
943,631.21 : 1,302,247.94 = 535,771.05 : x - Step 2: Convert to fraction form
943,631.21/1,302,247.94 = 535,771.05/x - Step 3: Cross multiply
943,631.21x = 1,302,247.94 × 535,771.05 - Step 4: Simplify right side
943,631.21x = 697,706,746,174.14 - Step 5: Solve for x
x = 697,706,746,174.14/943,631.21 - Step 6: Final answer
x = 739,384.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.