Finding the Fourth Proportional to 525,518.16, 724,939.92 and 331,855.68
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Solution
The fourth proportional to 525,518.16, 724,939.92 and 331,855.68 is: 457,787.09
Step by Step Solution
- Step 1: Write the proportion equation
525,518.16 : 724,939.92 = 331,855.68 : x - Step 2: Convert to fraction form
525,518.16/724,939.92 = 331,855.68/x - Step 3: Cross multiply
525,518.16x = 724,939.92 × 331,855.68 - Step 4: Simplify right side
525,518.16x = 240,575,430,110.75 - Step 5: Solve for x
x = 240,575,430,110.75/525,518.16 - Step 6: Final answer
x = 457,787.09
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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.