Finding the Fourth Proportional to 651,697.80, 977,546.70 and 546,721.80
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Solution
The fourth proportional to 651,697.80, 977,546.70 and 546,721.80 is: 820,082.70
Step by Step Solution
- Step 1: Write the proportion equation
651,697.80 : 977,546.70 = 546,721.80 : x - Step 2: Convert to fraction form
651,697.80/977,546.70 = 546,721.80/x - Step 3: Cross multiply
651,697.80x = 977,546.70 × 546,721.80 - Step 4: Simplify right side
651,697.80x = 534,446,091,408.06 - Step 5: Solve for x
x = 534,446,091,408.06/651,697.80 - Step 6: Final answer
x = 820,082.70
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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.