Finding the Fourth Proportional to 804,825.06, 1,207,237.82 and 299,319.99
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Solution
The fourth proportional to 804,825.06, 1,207,237.82 and 299,319.99 is: 448,980.07
Step by Step Solution
- Step 1: Write the proportion equation
804,825.06 : 1,207,237.82 = 299,319.99 : x - Step 2: Convert to fraction form
804,825.06/1,207,237.82 = 299,319.99/x - Step 3: Cross multiply
804,825.06x = 1,207,237.82 × 299,319.99 - Step 4: Simplify right side
804,825.06x = 361,350,410,713.42 - Step 5: Solve for x
x = 361,350,410,713.42/804,825.06 - Step 6: Final answer
x = 448,980.07
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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.