Finding the Fourth Proportional to 703,146.65, 970,291.99 and 412,770.00
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Solution
The fourth proportional to 703,146.65, 970,291.99 and 412,770.00 is: 569,593.02
Step by Step Solution
- Step 1: Write the proportion equation
703,146.65 : 970,291.99 = 412,770.00 : x - Step 2: Convert to fraction form
703,146.65/970,291.99 = 412,770.00/x - Step 3: Cross multiply
703,146.65x = 970,291.99 × 412,770.00 - Step 4: Simplify right side
703,146.65x = 400,507,421,087.13 - Step 5: Solve for x
x = 400,507,421,087.13/703,146.65 - Step 6: Final answer
x = 569,593.02
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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.