Finding the Fourth Proportional to 640,025.08, 883,197.99 and 382,192.97
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Solution
The fourth proportional to 640,025.08, 883,197.99 and 382,192.97 is: 527,404.43
Step by Step Solution
- Step 1: Write the proportion equation
640,025.08 : 883,197.99 = 382,192.97 : x - Step 2: Convert to fraction form
640,025.08/883,197.99 = 382,192.97/x - Step 3: Cross multiply
640,025.08x = 883,197.99 × 382,192.97 - Step 4: Simplify right side
640,025.08x = 337,552,058,480.14 - Step 5: Solve for x
x = 337,552,058,480.14/640,025.08 - Step 6: Final answer
x = 527,404.43
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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.