Finding the Fourth Proportional to 760,822.97, 1,049,922.84 and 421,283.93
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Solution
The fourth proportional to 760,822.97, 1,049,922.84 and 421,283.93 is: 581,364.70
Step by Step Solution
- Step 1: Write the proportion equation
760,822.97 : 1,049,922.84 = 421,283.93 : x - Step 2: Convert to fraction form
760,822.97/1,049,922.84 = 421,283.93/x - Step 3: Cross multiply
760,822.97x = 1,049,922.84 × 421,283.93 - Step 4: Simplify right side
760,822.97x = 442,315,620,231.96 - Step 5: Solve for x
x = 442,315,620,231.96/760,822.97 - Step 6: Final answer
x = 581,364.70
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1.5x scale
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.