Finding the Fourth Proportional to 791,461.10, 1,092,217.24 and 428,881.79
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Solution
The fourth proportional to 791,461.10, 1,092,217.24 and 428,881.79 is: 591,857.36
Step by Step Solution
- Step 1: Write the proportion equation
791,461.10 : 1,092,217.24 = 428,881.79 : x - Step 2: Convert to fraction form
791,461.10/1,092,217.24 = 428,881.79/x - Step 3: Cross multiply
791,461.10x = 1,092,217.24 × 428,881.79 - Step 4: Simplify right side
791,461.10x = 468,432,078,426.77 - Step 5: Solve for x
x = 468,432,078,426.77/791,461.10 - Step 6: Final answer
x = 591,857.36
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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.