Finding the Fourth Proportional to 838,862.76, 1,157,744.88 and 494,795.88
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Solution
The fourth proportional to 838,862.76, 1,157,744.88 and 494,795.88 is: 682,885.72
Step by Step Solution
- Step 1: Write the proportion equation
838,862.76 : 1,157,744.88 = 494,795.88 : x - Step 2: Convert to fraction form
838,862.76/1,157,744.88 = 494,795.88/x - Step 3: Cross multiply
838,862.76x = 1,157,744.88 × 494,795.88 - Step 4: Simplify right side
838,862.76x = 572,847,396,715.09 - Step 5: Solve for x
x = 572,847,396,715.09/838,862.76 - Step 6: Final answer
x = 682,885.72
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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.