Finding the Fourth Proportional to 770,213.04, 1,062,894.24 and 430,682.28
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Solution
The fourth proportional to 770,213.04, 1,062,894.24 and 430,682.28 is: 594,341.68
Step by Step Solution
- Step 1: Write the proportion equation
770,213.04 : 1,062,894.24 = 430,682.28 : x - Step 2: Convert to fraction form
770,213.04/1,062,894.24 = 430,682.28/x - Step 3: Cross multiply
770,213.04x = 1,062,894.24 × 430,682.28 - Step 4: Simplify right side
770,213.04x = 457,769,714,682.07 - Step 5: Solve for x
x = 457,769,714,682.07/770,213.04 - Step 6: Final answer
x = 594,341.68
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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.