Finding the Fourth Proportional to 633,820.97, 874,679.83 and 347,334.91
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Solution
The fourth proportional to 633,820.97, 874,679.83 and 347,334.91 is: 479,325.95
Step by Step Solution
- Step 1: Write the proportion equation
633,820.97 : 874,679.83 = 347,334.91 : x - Step 2: Convert to fraction form
633,820.97/874,679.83 = 347,334.91/x - Step 3: Cross multiply
633,820.97x = 874,679.83 × 347,334.91 - Step 4: Simplify right side
633,820.97x = 303,806,840,031.87 - Step 5: Solve for x
x = 303,806,840,031.87/633,820.97 - Step 6: Final answer
x = 479,325.95
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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.