Finding the Fourth Proportional to 519,236.31, 716,586.29 and 286,708.65
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Solution
The fourth proportional to 519,236.31, 716,586.29 and 286,708.65 is: 395,680.12
Step by Step Solution
- Step 1: Write the proportion equation
519,236.31 : 716,586.29 = 286,708.65 : x - Step 2: Convert to fraction form
519,236.31/716,586.29 = 286,708.65/x - Step 3: Cross multiply
519,236.31x = 716,586.29 × 286,708.65 - Step 4: Simplify right side
519,236.31x = 205,451,486,380.87 - Step 5: Solve for x
x = 205,451,486,380.87/519,236.31 - Step 6: Final answer
x = 395,680.12
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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.