Finding the Fourth Proportional to 756,970.99, 1,135,560.97 and 277,135.90
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Solution
The fourth proportional to 756,970.99, 1,135,560.97 and 277,135.90 is: 415,742.10
Step by Step Solution
- Step 1: Write the proportion equation
756,970.99 : 1,135,560.97 = 277,135.90 : x - Step 2: Convert to fraction form
756,970.99/1,135,560.97 = 277,135.90/x - Step 3: Cross multiply
756,970.99x = 1,135,560.97 × 277,135.90 - Step 4: Simplify right side
756,970.99x = 314,704,708,933.34 - Step 5: Solve for x
x = 314,704,708,933.34/756,970.99 - Step 6: Final answer
x = 415,742.10
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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.