Finding the Fourth Proportional to 539,299.41, 744,232.29 and 297,581.79
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Solution
The fourth proportional to 539,299.41, 744,232.29 and 297,581.79 is: 410,662.38
Step by Step Solution
- Step 1: Write the proportion equation
539,299.41 : 744,232.29 = 297,581.79 : x - Step 2: Convert to fraction form
539,299.41/744,232.29 = 297,581.79/x - Step 3: Cross multiply
539,299.41x = 744,232.29 × 297,581.79 - Step 4: Simplify right side
539,299.41x = 221,469,977,034.00 - Step 5: Solve for x
x = 221,469,977,034.00/539,299.41 - Step 6: Final answer
x = 410,662.38
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1.5x scale
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.