Finding the Fourth Proportional to 749,282.22, 1,033,988.43 and 409,743.18
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Solution
The fourth proportional to 749,282.22, 1,033,988.43 and 409,743.18 is: 565,434.09
Step by Step Solution
- Step 1: Write the proportion equation
749,282.22 : 1,033,988.43 = 409,743.18 : x - Step 2: Convert to fraction form
749,282.22/1,033,988.43 = 409,743.18/x - Step 3: Cross multiply
749,282.22x = 1,033,988.43 × 409,743.18 - Step 4: Simplify right side
749,282.22x = 423,669,707,391.41 - Step 5: Solve for x
x = 423,669,707,391.41/749,282.22 - Step 6: Final answer
x = 565,434.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.