Finding the Fourth Proportional to 544,640.18, 751,550.80 and 315,151.70
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Solution
The fourth proportional to 544,640.18, 751,550.80 and 315,151.70 is: 434,878.88
Step by Step Solution
- Step 1: Write the proportion equation
544,640.18 : 751,550.80 = 315,151.70 : x - Step 2: Convert to fraction form
544,640.18/751,550.80 = 315,151.70/x - Step 3: Cross multiply
544,640.18x = 751,550.80 × 315,151.70 - Step 4: Simplify right side
544,640.18x = 236,852,512,256.36 - Step 5: Solve for x
x = 236,852,512,256.36/544,640.18 - Step 6: Final answer
x = 434,878.88
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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.