Finding the Fourth Proportional to 913,433.34, 1,260,528.72 and 505,535.97
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Solution
The fourth proportional to 913,433.34, 1,260,528.72 and 505,535.97 is: 697,634.50
Step by Step Solution
- Step 1: Write the proportion equation
913,433.34 : 1,260,528.72 = 505,535.97 : x - Step 2: Convert to fraction form
913,433.34/1,260,528.72 = 505,535.97/x - Step 3: Cross multiply
913,433.34x = 1,260,528.72 × 505,535.97 - Step 4: Simplify right side
913,433.34x = 637,242,609,178.06 - Step 5: Solve for x
x = 637,242,609,178.06/913,433.34 - Step 6: Final answer
x = 697,634.50
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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.