Finding the Fourth Proportional to 813,535.84, 1,122,299.76 and 511,896.16
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Solution
The fourth proportional to 813,535.84, 1,122,299.76 and 511,896.16 is: 706,177.79
Step by Step Solution
- Step 1: Write the proportion equation
813,535.84 : 1,122,299.76 = 511,896.16 : x - Step 2: Convert to fraction form
813,535.84/1,122,299.76 = 511,896.16/x - Step 3: Cross multiply
813,535.84x = 1,122,299.76 × 511,896.16 - Step 4: Simplify right side
813,535.84x = 574,500,937,512.92 - Step 5: Solve for x
x = 574,500,937,512.92/813,535.84 - Step 6: Final answer
x = 706,177.79
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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.