Finding the Fourth Proportional to 640,550.75, 883,960.23 and 350,163.59
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Solution
The fourth proportional to 640,550.75, 883,960.23 and 350,163.59 is: 483,225.86
Step by Step Solution
- Step 1: Write the proportion equation
640,550.75 : 883,960.23 = 350,163.59 : x - Step 2: Convert to fraction form
640,550.75/883,960.23 = 350,163.59/x - Step 3: Cross multiply
640,550.75x = 883,960.23 × 350,163.59 - Step 4: Simplify right side
640,550.75x = 309,530,683,134.23 - Step 5: Solve for x
x = 309,530,683,134.23/640,550.75 - Step 6: Final answer
x = 483,225.86
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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.