Finding the Fourth Proportional to 572,795.54, 790,369.97 and 331,031.42
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Solution
The fourth proportional to 572,795.54, 790,369.97 and 331,031.42 is: 456,772.58
Step by Step Solution
- Step 1: Write the proportion equation
572,795.54 : 790,369.97 = 331,031.42 : x - Step 2: Convert to fraction form
572,795.54/790,369.97 = 331,031.42/x - Step 3: Cross multiply
572,795.54x = 790,369.97 × 331,031.42 - Step 4: Simplify right side
572,795.54x = 261,637,294,523.13 - Step 5: Solve for x
x = 261,637,294,523.13/572,795.54 - Step 6: Final answer
x = 456,772.58
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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.