Finding the Fourth Proportional to 674,318.76, 930,578.12 and 402,544.35
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Solution
The fourth proportional to 674,318.76, 930,578.12 and 402,544.35 is: 555,522.09
Step by Step Solution
- Step 1: Write the proportion equation
674,318.76 : 930,578.12 = 402,544.35 : x - Step 2: Convert to fraction form
674,318.76/930,578.12 = 402,544.35/x - Step 3: Cross multiply
674,318.76x = 930,578.12 × 402,544.35 - Step 4: Simplify right side
674,318.76x = 374,598,963,936.44 - Step 5: Solve for x
x = 374,598,963,936.44/674,318.76 - Step 6: Final answer
x = 555,522.09
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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.