Finding the Fourth Proportional to 669,140.68, 923,294.96 and 378,750.82
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Solution
The fourth proportional to 669,140.68, 923,294.96 and 378,750.82 is: 522,608.67
Step by Step Solution
- Step 1: Write the proportion equation
669,140.68 : 923,294.96 = 378,750.82 : x - Step 2: Convert to fraction form
669,140.68/923,294.96 = 378,750.82/x - Step 3: Cross multiply
669,140.68x = 923,294.96 × 378,750.82 - Step 4: Simplify right side
669,140.68x = 349,698,723,201.87 - Step 5: Solve for x
x = 349,698,723,201.87/669,140.68 - Step 6: Final answer
x = 522,608.67
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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.