Finding the Fourth Proportional to 447,721.88, 617,899.79 and 334,347.80
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Solution
The fourth proportional to 447,721.88, 617,899.79 and 334,347.80 is: 461,432.52
Step by Step Solution
- Step 1: Write the proportion equation
447,721.88 : 617,899.79 = 334,347.80 : x - Step 2: Convert to fraction form
447,721.88/617,899.79 = 334,347.80/x - Step 3: Cross multiply
447,721.88x = 617,899.79 × 334,347.80 - Step 4: Simplify right side
447,721.88x = 206,593,433,735.22 - Step 5: Solve for x
x = 206,593,433,735.22/447,721.88 - Step 6: Final answer
x = 461,432.52
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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.