Finding the Fourth Proportional to 647,381.94, 893,369.84 and 375,432.81
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Solution
The fourth proportional to 647,381.94, 893,369.84 and 375,432.81 is: 518,087.28
Step by Step Solution
- Step 1: Write the proportion equation
647,381.94 : 893,369.84 = 375,432.81 : x - Step 2: Convert to fraction form
647,381.94/893,369.84 = 375,432.81/x - Step 3: Cross multiply
647,381.94x = 893,369.84 × 375,432.81 - Step 4: Simplify right side
647,381.94x = 335,400,347,523.29 - Step 5: Solve for x
x = 335,400,347,523.29/647,381.94 - Step 6: Final answer
x = 518,087.28
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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.