Finding the Fourth Proportional to 565,442.20, 848,163.30 and 488,459.80
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Solution
The fourth proportional to 565,442.20, 848,163.30 and 488,459.80 is: 732,689.70
Step by Step Solution
- Step 1: Write the proportion equation
565,442.20 : 848,163.30 = 488,459.80 : x - Step 2: Convert to fraction form
565,442.20/848,163.30 = 488,459.80/x - Step 3: Cross multiply
565,442.20x = 848,163.30 × 488,459.80 - Step 4: Simplify right side
565,442.20x = 414,293,675,885.34 - Step 5: Solve for x
x = 414,293,675,885.34/565,442.20 - Step 6: Final answer
x = 732,689.70
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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.