Finding the Fourth Proportional to 770,632.92, 1,063,435.68 and 426,462.84
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Solution
The fourth proportional to 770,632.92, 1,063,435.68 and 426,462.84 is: 588,497.83
Step by Step Solution
- Step 1: Write the proportion equation
770,632.92 : 1,063,435.68 = 426,462.84 : x - Step 2: Convert to fraction form
770,632.92/1,063,435.68 = 426,462.84/x - Step 3: Cross multiply
770,632.92x = 1,063,435.68 × 426,462.84 - Step 4: Simplify right side
770,632.92x = 453,515,800,250.13 - Step 5: Solve for x
x = 453,515,800,250.13/770,632.92 - Step 6: Final answer
x = 588,497.83
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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.