Finding the Fourth Proportional to 651,791.80, 977,687.70 and 568,847.80
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Solution
The fourth proportional to 651,791.80, 977,687.70 and 568,847.80 is: 853,271.70
Step by Step Solution
- Step 1: Write the proportion equation
651,791.80 : 977,687.70 = 568,847.80 : x - Step 2: Convert to fraction form
651,791.80/977,687.70 = 568,847.80/x - Step 3: Cross multiply
651,791.80x = 977,687.70 × 568,847.80 - Step 4: Simplify right side
651,791.80x = 556,155,497,232.06 - Step 5: Solve for x
x = 556,155,497,232.06/651,791.80 - Step 6: Final answer
x = 853,271.70
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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.