Finding the Fourth Proportional to 621,748.69, 858,044.70 and 367,094.41
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Solution
The fourth proportional to 621,748.69, 858,044.70 and 367,094.41 is: 506,608.89
Step by Step Solution
- Step 1: Write the proportion equation
621,748.69 : 858,044.70 = 367,094.41 : x - Step 2: Convert to fraction form
621,748.69/858,044.70 = 367,094.41/x - Step 3: Cross multiply
621,748.69x = 858,044.70 × 367,094.41 - Step 4: Simplify right side
621,748.69x = 314,983,412,900.13 - Step 5: Solve for x
x = 314,983,412,900.13/621,748.69 - Step 6: Final answer
x = 506,608.89
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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.