Finding the Fourth Proportional to 548,259.37, 756,805.98 and 490,795.20
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Solution
The fourth proportional to 548,259.37, 756,805.98 and 490,795.20 is: 677,483.63
Step by Step Solution
- Step 1: Write the proportion equation
548,259.37 : 756,805.98 = 490,795.20 : x - Step 2: Convert to fraction form
548,259.37/756,805.98 = 490,795.20/x - Step 3: Cross multiply
548,259.37x = 756,805.98 × 490,795.20 - Step 4: Simplify right side
548,259.37x = 371,436,744,155.78 - Step 5: Solve for x
x = 371,436,744,155.78/548,259.37 - Step 6: Final answer
x = 677,483.63
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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.