Finding the Fourth Proportional to 639,706.24, 958,338.24 and 358,372.48
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Solution
The fourth proportional to 639,706.24, 958,338.24 and 358,372.48 is: 536,874.63
Step by Step Solution
- Step 1: Write the proportion equation
639,706.24 : 958,338.24 = 358,372.48 : x - Step 2: Convert to fraction form
639,706.24/958,338.24 = 358,372.48/x - Step 3: Cross multiply
639,706.24x = 958,338.24 × 358,372.48 - Step 4: Simplify right side
639,706.24x = 343,442,051,747.64 - Step 5: Solve for x
x = 343,442,051,747.64/639,706.24 - Step 6: Final answer
x = 536,874.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.