Finding the Fourth Proportional to 886,450.68, 1,328,756.40 and 412,746.48
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Solution
The fourth proportional to 886,450.68, 1,328,756.40 and 412,746.48 is: 618,691.53
Step by Step Solution
- Step 1: Write the proportion equation
886,450.68 : 1,328,756.40 = 412,746.48 : x - Step 2: Convert to fraction form
886,450.68/1,328,756.40 = 412,746.48/x - Step 3: Cross multiply
886,450.68x = 1,328,756.40 × 412,746.48 - Step 4: Simplify right side
886,450.68x = 548,439,526,877.47 - Step 5: Solve for x
x = 548,439,526,877.47/886,450.68 - Step 6: Final answer
x = 618,691.53
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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.