Finding the Fourth Proportional to 652,163.70, 978,245.55 and 577,368.30
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Solution
The fourth proportional to 652,163.70, 978,245.55 and 577,368.30 is: 866,052.45
Step by Step Solution
- Step 1: Write the proportion equation
652,163.70 : 978,245.55 = 577,368.30 : x - Step 2: Convert to fraction form
652,163.70/978,245.55 = 577,368.30/x - Step 3: Cross multiply
652,163.70x = 978,245.55 × 577,368.30 - Step 4: Simplify right side
652,163.70x = 564,807,970,186.07 - Step 5: Solve for x
x = 564,807,970,186.07/652,163.70 - Step 6: Final answer
x = 866,052.45
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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.