Finding the Fourth Proportional to 799,211.36, 1,192,987.10 and 698,319.56
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Solution
The fourth proportional to 799,211.36, 1,192,987.10 and 698,319.56 is: 1,042,385.37
Step by Step Solution
- Step 1: Write the proportion equation
799,211.36 : 1,192,987.10 = 698,319.56 : x - Step 2: Convert to fraction form
799,211.36/1,192,987.10 = 698,319.56/x - Step 3: Cross multiply
799,211.36x = 1,192,987.10 × 698,319.56 - Step 4: Simplify right side
799,211.36x = 833,086,226,757.68 - Step 5: Solve for x
x = 833,086,226,757.68/799,211.36 - Step 6: Final answer
x = 1,042,385.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.