Finding the Fourth Proportional to 495,887.40, 743,831.10 and 296,821.80
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Solution
The fourth proportional to 495,887.40, 743,831.10 and 296,821.80 is: 445,232.70
Step by Step Solution
- Step 1: Write the proportion equation
495,887.40 : 743,831.10 = 296,821.80 : x - Step 2: Convert to fraction form
495,887.40/743,831.10 = 296,821.80/x - Step 3: Cross multiply
495,887.40x = 743,831.10 × 296,821.80 - Step 4: Simplify right side
495,887.40x = 220,785,285,997.98 - Step 5: Solve for x
x = 220,785,285,997.98/495,887.40 - Step 6: Final answer
x = 445,232.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.