Finding the Fourth Proportional to 535,634.80, 739,197.84 and 320,732.08
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Solution
The fourth proportional to 535,634.80, 739,197.84 and 320,732.08 is: 442,623.33
Step by Step Solution
- Step 1: Write the proportion equation
535,634.80 : 739,197.84 = 320,732.08 : x - Step 2: Convert to fraction form
535,634.80/739,197.84 = 320,732.08/x - Step 3: Cross multiply
535,634.80x = 739,197.84 × 320,732.08 - Step 4: Simplify right side
535,634.80x = 237,084,460,754.71 - Step 5: Solve for x
x = 237,084,460,754.71/535,634.80 - Step 6: Final answer
x = 442,623.33
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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.