Finding the Fourth Proportional to 517,794.07, 714,553.56 and 288,354.08
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Solution
The fourth proportional to 517,794.07, 714,553.56 and 288,354.08 is: 397,927.37
Step by Step Solution
- Step 1: Write the proportion equation
517,794.07 : 714,553.56 = 288,354.08 : x - Step 2: Convert to fraction form
517,794.07/714,553.56 = 288,354.08/x - Step 3: Cross multiply
517,794.07x = 714,553.56 × 288,354.08 - Step 4: Simplify right side
517,794.07x = 206,044,434,404.53 - Step 5: Solve for x
x = 206,044,434,404.53/517,794.07 - Step 6: Final answer
x = 397,927.37
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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.