Finding the Fourth Proportional to 936,703.78, 1,292,674.84 and 574,327.45
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Solution
The fourth proportional to 936,703.78, 1,292,674.84 and 574,327.45 is: 792,586.37
Step by Step Solution
- Step 1: Write the proportion equation
936,703.78 : 1,292,674.84 = 574,327.45 : x - Step 2: Convert to fraction form
936,703.78/1,292,674.84 = 574,327.45/x - Step 3: Cross multiply
936,703.78x = 1,292,674.84 × 574,327.45 - Step 4: Simplify right side
936,703.78x = 742,418,647,946.98 - Step 5: Solve for x
x = 742,418,647,946.98/936,703.78 - Step 6: Final answer
x = 792,586.37
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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.