Finding the Fourth Proportional to 761,987.26, 1,143,170.97 and 537,785.65
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Solution
The fourth proportional to 761,987.26, 1,143,170.97 and 537,785.65 is: 806,812.63
Step by Step Solution
- Step 1: Write the proportion equation
761,987.26 : 1,143,170.97 = 537,785.65 : x - Step 2: Convert to fraction form
761,987.26/1,143,170.97 = 537,785.65/x - Step 3: Cross multiply
761,987.26x = 1,143,170.97 × 537,785.65 - Step 4: Simplify right side
761,987.26x = 614,780,943,162.58 - Step 5: Solve for x
x = 614,780,943,162.58/761,987.26 - Step 6: Final answer
x = 806,812.63
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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.