Finding the Fourth Proportional to 539,299.48, 744,232.71 and 297,581.98
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Solution
The fourth proportional to 539,299.48, 744,232.71 and 297,581.98 is: 410,662.82
Step by Step Solution
- Step 1: Write the proportion equation
539,299.48 : 744,232.71 = 297,581.98 : x - Step 2: Convert to fraction form
539,299.48/744,232.71 = 297,581.98/x - Step 3: Cross multiply
539,299.48x = 744,232.71 × 297,581.98 - Step 4: Simplify right side
539,299.48x = 221,470,243,422.57 - Step 5: Solve for x
x = 221,470,243,422.57/539,299.48 - Step 6: Final answer
x = 410,662.82
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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.