Finding the Fourth Proportional to 756,973.05, 1,135,564.07 and 277,137.96
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Solution
The fourth proportional to 756,973.05, 1,135,564.07 and 277,137.96 is: 415,745.20
Step by Step Solution
- Step 1: Write the proportion equation
756,973.05 : 1,135,564.07 = 277,137.96 : x - Step 2: Convert to fraction form
756,973.05/1,135,564.07 = 277,137.96/x - Step 3: Cross multiply
756,973.05x = 1,135,564.07 × 277,137.96 - Step 4: Simplify right side
756,973.05x = 314,707,908,423.41 - Step 5: Solve for x
x = 314,707,908,423.41/756,973.05 - Step 6: Final answer
x = 415,745.20
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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.