Finding the Fourth Proportional to 767,145.94, 1,141,661.09 and 741,602.62
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Solution
The fourth proportional to 767,145.94, 1,141,661.09 and 741,602.62 is: 1,103,647.70
Step by Step Solution
- Step 1: Write the proportion equation
767,145.94 : 1,141,661.09 = 741,602.62 : x - Step 2: Convert to fraction form
767,145.94/1,141,661.09 = 741,602.62/x - Step 3: Cross multiply
767,145.94x = 1,141,661.09 × 741,602.62 - Step 4: Simplify right side
767,145.94x = 846,658,855,496.06 - Step 5: Solve for x
x = 846,658,855,496.06/767,145.94 - Step 6: Final answer
x = 1,103,647.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.