Finding the Fourth Proportional to 977,271.80, 1,465,907.70 and 644,847.80
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Solution
The fourth proportional to 977,271.80, 1,465,907.70 and 644,847.80 is: 967,271.70
Step by Step Solution
- Step 1: Write the proportion equation
977,271.80 : 1,465,907.70 = 644,847.80 : x - Step 2: Convert to fraction form
977,271.80/1,465,907.70 = 644,847.80/x - Step 3: Cross multiply
977,271.80x = 1,465,907.70 × 644,847.80 - Step 4: Simplify right side
977,271.80x = 945,287,355,348.06 - Step 5: Solve for x
x = 945,287,355,348.06/977,271.80 - Step 6: Final answer
x = 967,271.70
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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.