Finding the Fourth Proportional to 674,224.72, 930,391.56 and 402,599.12
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Solution
The fourth proportional to 674,224.72, 930,391.56 and 402,599.12 is: 555,563.76
Step by Step Solution
- Step 1: Write the proportion equation
674,224.72 : 930,391.56 = 402,599.12 : x - Step 2: Convert to fraction form
674,224.72/930,391.56 = 402,599.12/x - Step 3: Cross multiply
674,224.72x = 930,391.56 × 402,599.12 - Step 4: Simplify right side
674,224.72x = 374,574,823,311.43 - Step 5: Solve for x
x = 374,574,823,311.43/674,224.72 - Step 6: Final answer
x = 555,563.76
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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.