Finding the Fourth Proportional to 488,615.17, 731,913.95 and 362,397.94
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Solution
The fourth proportional to 488,615.17, 731,913.95 and 362,397.94 is: 542,848.70
Step by Step Solution
- Step 1: Write the proportion equation
488,615.17 : 731,913.95 = 362,397.94 : x - Step 2: Convert to fraction form
488,615.17/731,913.95 = 362,397.94/x - Step 3: Cross multiply
488,615.17x = 731,913.95 × 362,397.94 - Step 4: Simplify right side
488,615.17x = 265,244,107,737.26 - Step 5: Solve for x
x = 265,244,107,737.26/488,615.17 - Step 6: Final answer
x = 542,848.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.