Finding the Fourth Proportional to 625,058.25, 862,529.25 and 353,149.75
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Solution
The fourth proportional to 625,058.25, 862,529.25 and 353,149.75 is: 487,317.76
Step by Step Solution
- Step 1: Write the proportion equation
625,058.25 : 862,529.25 = 353,149.75 : x - Step 2: Convert to fraction form
625,058.25/862,529.25 = 353,149.75/x - Step 3: Cross multiply
625,058.25x = 862,529.25 × 353,149.75 - Step 4: Simplify right side
625,058.25x = 304,601,989,005.19 - Step 5: Solve for x
x = 304,601,989,005.19/625,058.25 - Step 6: Final answer
x = 487,317.76
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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.