Finding the Fourth Proportional to 749,468.68, 1,035,022.38 and 477,664.68
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Solution
The fourth proportional to 749,468.68, 1,035,022.38 and 477,664.68 is: 659,658.83
Step by Step Solution
- Step 1: Write the proportion equation
749,468.68 : 1,035,022.38 = 477,664.68 : x - Step 2: Convert to fraction form
749,468.68/1,035,022.38 = 477,664.68/x - Step 3: Cross multiply
749,468.68x = 1,035,022.38 × 477,664.68 - Step 4: Simplify right side
749,468.68x = 494,393,633,935.54 - Step 5: Solve for x
x = 494,393,633,935.54/749,468.68 - Step 6: Final answer
x = 659,658.83
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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.