Finding the Fourth Proportional to 633,000.21, 873,542.64 and 346,546.95
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Solution
The fourth proportional to 633,000.21, 873,542.64 and 346,546.95 is: 478,236.08
Step by Step Solution
- Step 1: Write the proportion equation
633,000.21 : 873,542.64 = 346,546.95 : x - Step 2: Convert to fraction form
633,000.21/873,542.64 = 346,546.95/x - Step 3: Cross multiply
633,000.21x = 873,542.64 × 346,546.95 - Step 4: Simplify right side
633,000.21x = 302,723,537,586.95 - Step 5: Solve for x
x = 302,723,537,586.95/633,000.21 - Step 6: Final answer
x = 478,236.08
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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.