Finding the Fourth Proportional to 558,352.74, 770,794.47 and 343,676.82
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Solution
The fourth proportional to 558,352.74, 770,794.47 and 343,676.82 is: 474,438.78
Step by Step Solution
- Step 1: Write the proportion equation
558,352.74 : 770,794.47 = 343,676.82 : x - Step 2: Convert to fraction form
558,352.74/770,794.47 = 343,676.82/x - Step 3: Cross multiply
558,352.74x = 770,794.47 × 343,676.82 - Step 4: Simplify right side
558,352.74x = 264,904,192,323.19 - Step 5: Solve for x
x = 264,904,192,323.19/558,352.74 - Step 6: Final answer
x = 474,438.78
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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.