Finding the Fourth Proportional to 679,812.24, 1,019,784.93 and 247,647.14
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Solution
The fourth proportional to 679,812.24, 1,019,784.93 and 247,647.14 is: 371,494.95
Step by Step Solution
- Step 1: Write the proportion equation
679,812.24 : 1,019,784.93 = 247,647.14 : x - Step 2: Convert to fraction form
679,812.24/1,019,784.93 = 247,647.14/x - Step 3: Cross multiply
679,812.24x = 1,019,784.93 × 247,647.14 - Step 4: Simplify right side
679,812.24x = 252,546,816,230.68 - Step 5: Solve for x
x = 252,546,816,230.68/679,812.24 - Step 6: Final answer
x = 371,494.95
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1.5x scale
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.