Finding the Fourth Proportional to 558,434.62, 770,907.48 and 343,758.70
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Solution
The fourth proportional to 558,434.62, 770,907.48 and 343,758.70 is: 474,551.80
Step by Step Solution
- Step 1: Write the proportion equation
558,434.62 : 770,907.48 = 343,758.70 : x - Step 2: Convert to fraction form
558,434.62/770,907.48 = 343,758.70/x - Step 3: Cross multiply
558,434.62x = 770,907.48 × 343,758.70 - Step 4: Simplify right side
558,434.62x = 265,006,149,290.54 - Step 5: Solve for x
x = 265,006,149,290.54/558,434.62 - Step 6: Final answer
x = 474,551.80
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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.