Finding the Fourth Proportional to 623,393.26, 859,883.79 and 432,336.94
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Solution
The fourth proportional to 623,393.26, 859,883.79 and 432,336.94 is: 596,348.33
Step by Step Solution
- Step 1: Write the proportion equation
623,393.26 : 859,883.79 = 432,336.94 : x - Step 2: Convert to fraction form
623,393.26/859,883.79 = 432,336.94/x - Step 3: Cross multiply
623,393.26x = 859,883.79 × 432,336.94 - Step 4: Simplify right side
623,393.26x = 371,759,526,524.20 - Step 5: Solve for x
x = 371,759,526,524.20/623,393.26 - Step 6: Final answer
x = 596,348.33
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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.