Finding the Fourth Proportional to 521,404.26, 719,537.86 and 282,940.26
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Solution
The fourth proportional to 521,404.26, 719,537.86 and 282,940.26 is: 390,457.55
Step by Step Solution
- Step 1: Write the proportion equation
521,404.26 : 719,537.86 = 282,940.26 : x - Step 2: Convert to fraction form
521,404.26/719,537.86 = 282,940.26/x - Step 3: Cross multiply
521,404.26x = 719,537.86 × 282,940.26 - Step 4: Simplify right side
521,404.26x = 203,586,229,188.24 - Step 5: Solve for x
x = 203,586,229,188.24/521,404.26 - Step 6: Final answer
x = 390,457.55
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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.