Finding the Fourth Proportional to 679,706.24, 1,019,493.14 and 206,395.70
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Solution
The fourth proportional to 679,706.24, 1,019,493.14 and 206,395.70 is: 309,573.44
Step by Step Solution
- Step 1: Write the proportion equation
679,706.24 : 1,019,493.14 = 206,395.70 : x - Step 2: Convert to fraction form
679,706.24/1,019,493.14 = 206,395.70/x - Step 3: Cross multiply
679,706.24x = 1,019,493.14 × 206,395.70 - Step 4: Simplify right side
679,706.24x = 210,418,994,146.05 - Step 5: Solve for x
x = 210,418,994,146.05/679,706.24 - Step 6: Final answer
x = 309,573.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.