Finding the Fourth Proportional to 558,786.53, 771,142.11 and 344,050.49
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Solution
The fourth proportional to 558,786.53, 771,142.11 and 344,050.49 is: 474,799.96
Step by Step Solution
- Step 1: Write the proportion equation
558,786.53 : 771,142.11 = 344,050.49 : x - Step 2: Convert to fraction form
558,786.53/771,142.11 = 344,050.49/x - Step 3: Cross multiply
558,786.53x = 771,142.11 × 344,050.49 - Step 4: Simplify right side
558,786.53x = 265,311,820,805.13 - Step 5: Solve for x
x = 265,311,820,805.13/558,786.53 - Step 6: Final answer
x = 474,799.96
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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.