Finding the Fourth Proportional to 879,272.69, 1,318,220.01 and 347,191.99
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Solution
The fourth proportional to 879,272.69, 1,318,220.01 and 347,191.99 is: 520,515.91
Step by Step Solution
- Step 1: Write the proportion equation
879,272.69 : 1,318,220.01 = 347,191.99 : x - Step 2: Convert to fraction form
879,272.69/1,318,220.01 = 347,191.99/x - Step 3: Cross multiply
879,272.69x = 1,318,220.01 × 347,191.99 - Step 4: Simplify right side
879,272.69x = 457,675,425,234.17 - Step 5: Solve for x
x = 457,675,425,234.17/879,272.69 - Step 6: Final answer
x = 520,515.91
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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.