Finding the Fourth Proportional to 913,163.68, 1,259,880.24 and 550,698.40
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Solution
The fourth proportional to 913,163.68, 1,259,880.24 and 550,698.40 is: 759,791.53
Step by Step Solution
- Step 1: Write the proportion equation
913,163.68 : 1,259,880.24 = 550,698.40 : x - Step 2: Convert to fraction form
913,163.68/1,259,880.24 = 550,698.40/x - Step 3: Cross multiply
913,163.68x = 1,259,880.24 × 550,698.40 - Step 4: Simplify right side
913,163.68x = 693,814,032,359.62 - Step 5: Solve for x
x = 693,814,032,359.62/913,163.68 - Step 6: Final answer
x = 759,791.53
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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.