Finding the Fourth Proportional to 948,676.68, 1,420,734.74 and 542,637.92
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Solution
The fourth proportional to 948,676.68, 1,420,734.74 and 542,637.92 is: 812,652.57
Step by Step Solution
- Step 1: Write the proportion equation
948,676.68 : 1,420,734.74 = 542,637.92 : x - Step 2: Convert to fraction form
948,676.68/1,420,734.74 = 542,637.92/x - Step 3: Cross multiply
948,676.68x = 1,420,734.74 × 542,637.92 - Step 4: Simplify right side
948,676.68x = 770,944,545,023.99 - Step 5: Solve for x
x = 770,944,545,023.99/948,676.68 - Step 6: Final answer
x = 812,652.57
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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.