Finding the Fourth Proportional to 621,596.68, 857,722.71 and 349,655.38
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Solution
The fourth proportional to 621,596.68, 857,722.71 and 349,655.38 is: 482,479.02
Step by Step Solution
- Step 1: Write the proportion equation
621,596.68 : 857,722.71 = 349,655.38 : x - Step 2: Convert to fraction form
621,596.68/857,722.71 = 349,655.38/x - Step 3: Cross multiply
621,596.68x = 857,722.71 × 349,655.38 - Step 4: Simplify right side
621,596.68x = 299,907,360,099.68 - Step 5: Solve for x
x = 299,907,360,099.68/621,596.68 - Step 6: Final answer
x = 482,479.02
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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.