Finding the Fourth Proportional to 977,467.80, 1,465,764.30 and 378,229.80
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Solution
The fourth proportional to 977,467.80, 1,465,764.30 and 378,229.80 is: 567,175.45
Step by Step Solution
- Step 1: Write the proportion equation
977,467.80 : 1,465,764.30 = 378,229.80 : x - Step 2: Convert to fraction form
977,467.80/1,465,764.30 = 378,229.80/x - Step 3: Cross multiply
977,467.80x = 1,465,764.30 × 378,229.80 - Step 4: Simplify right side
977,467.80x = 554,395,738,036.14 - Step 5: Solve for x
x = 554,395,738,036.14/977,467.80 - Step 6: Final answer
x = 567,175.45
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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.