Finding the Fourth Proportional to 759,817.68, 1,048,605.33 and 433,138.48
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Solution
The fourth proportional to 759,817.68, 1,048,605.33 and 433,138.48 is: 597,763.56
Step by Step Solution
- Step 1: Write the proportion equation
759,817.68 : 1,048,605.33 = 433,138.48 : x - Step 2: Convert to fraction form
759,817.68/1,048,605.33 = 433,138.48/x - Step 3: Cross multiply
759,817.68x = 1,048,605.33 × 433,138.48 - Step 4: Simplify right side
759,817.68x = 454,191,322,310.82 - Step 5: Solve for x
x = 454,191,322,310.82/759,817.68 - Step 6: Final answer
x = 597,763.56
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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.