Finding the Fourth Proportional to 514,640.14, 710,203.60 and 313,436.14
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Solution
The fourth proportional to 514,640.14, 710,203.60 and 313,436.14 is: 432,542.00
Step by Step Solution
- Step 1: Write the proportion equation
514,640.14 : 710,203.60 = 313,436.14 : x - Step 2: Convert to fraction form
514,640.14/710,203.60 = 313,436.14/x - Step 3: Cross multiply
514,640.14x = 710,203.60 × 313,436.14 - Step 4: Simplify right side
514,640.14x = 222,603,474,998.10 - Step 5: Solve for x
x = 222,603,474,998.10/514,640.14 - Step 6: Final answer
x = 432,542.00
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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.