Finding the Fourth Proportional to 791,249.52, 1,187,020.08 and 258,798.87
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Solution
The fourth proportional to 791,249.52, 1,187,020.08 and 258,798.87 is: 388,245.99
Step by Step Solution
- Step 1: Write the proportion equation
791,249.52 : 1,187,020.08 = 258,798.87 : x - Step 2: Convert to fraction form
791,249.52/1,187,020.08 = 258,798.87/x - Step 3: Cross multiply
791,249.52x = 1,187,020.08 × 258,798.87 - Step 4: Simplify right side
791,249.52x = 307,199,455,371.31 - Step 5: Solve for x
x = 307,199,455,371.31/791,249.52 - Step 6: Final answer
x = 388,245.99
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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.