Finding the Fourth Proportional to 534,971.97, 738,336.84 and 331,088.49
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Solution
The fourth proportional to 534,971.97, 738,336.84 and 331,088.49 is: 456,948.86
Step by Step Solution
- Step 1: Write the proportion equation
534,971.97 : 738,336.84 = 331,088.49 : x - Step 2: Convert to fraction form
534,971.97/738,336.84 = 331,088.49/x - Step 3: Cross multiply
534,971.97x = 738,336.84 × 331,088.49 - Step 4: Simplify right side
534,971.97x = 244,454,829,466.97 - Step 5: Solve for x
x = 244,454,829,466.97/534,971.97 - Step 6: Final answer
x = 456,948.86
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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.