Finding the Fourth Proportional to 558,271.26, 770,415.17 and 303,621.84
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Solution
The fourth proportional to 558,271.26, 770,415.17 and 303,621.84 is: 418,998.59
Step by Step Solution
- Step 1: Write the proportion equation
558,271.26 : 770,415.17 = 303,621.84 : x - Step 2: Convert to fraction form
558,271.26/770,415.17 = 303,621.84/x - Step 3: Cross multiply
558,271.26x = 770,415.17 × 303,621.84 - Step 4: Simplify right side
558,271.26x = 233,914,869,961.20 - Step 5: Solve for x
x = 233,914,869,961.20/558,271.26 - Step 6: Final answer
x = 418,998.59
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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.