Finding the Fourth Proportional to 539,278.26, 744,199.32 and 297,563.10
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Solution
The fourth proportional to 539,278.26, 744,199.32 and 297,563.10 is: 410,634.50
Step by Step Solution
- Step 1: Write the proportion equation
539,278.26 : 744,199.32 = 297,563.10 : x - Step 2: Convert to fraction form
539,278.26/744,199.32 = 297,563.10/x - Step 3: Cross multiply
539,278.26x = 744,199.32 × 297,563.10 - Step 4: Simplify right side
539,278.26x = 221,446,256,677.09 - Step 5: Solve for x
x = 221,446,256,677.09/539,278.26 - Step 6: Final answer
x = 410,634.50
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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.