Finding the Fourth Proportional to 573,631.20, 860,446.80 and 538,201.80
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Solution
The fourth proportional to 573,631.20, 860,446.80 and 538,201.80 is: 807,302.70
Step by Step Solution
- Step 1: Write the proportion equation
573,631.20 : 860,446.80 = 538,201.80 : x - Step 2: Convert to fraction form
573,631.20/860,446.80 = 538,201.80/x - Step 3: Cross multiply
573,631.20x = 860,446.80 × 538,201.80 - Step 4: Simplify right side
573,631.20x = 463,094,016,564.24 - Step 5: Solve for x
x = 463,094,016,564.24/573,631.20 - Step 6: Final answer
x = 807,302.70
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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.