Finding the Fourth Proportional to 514,576.75, 710,115.92 and 313,372.75
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Solution
The fourth proportional to 514,576.75, 710,115.92 and 313,372.75 is: 432,454.40
Step by Step Solution
- Step 1: Write the proportion equation
514,576.75 : 710,115.92 = 313,372.75 : x - Step 2: Convert to fraction form
514,576.75/710,115.92 = 313,372.75/x - Step 3: Cross multiply
514,576.75x = 710,115.92 × 313,372.75 - Step 4: Simplify right side
514,576.75x = 222,530,978,669.18 - Step 5: Solve for x
x = 222,530,978,669.18/514,576.75 - Step 6: Final answer
x = 432,454.40
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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.