Finding the Fourth Proportional to 434,564.70, 651,847.05 and 418,818.30
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Solution
The fourth proportional to 434,564.70, 651,847.05 and 418,818.30 is: 628,227.45
Step by Step Solution
- Step 1: Write the proportion equation
434,564.70 : 651,847.05 = 418,818.30 : x - Step 2: Convert to fraction form
434,564.70/651,847.05 = 418,818.30/x - Step 3: Cross multiply
434,564.70x = 651,847.05 × 418,818.30 - Step 4: Simplify right side
434,564.70x = 273,005,473,341.02 - Step 5: Solve for x
x = 273,005,473,341.02/434,564.70 - Step 6: Final answer
x = 628,227.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.