Finding the Fourth Proportional to 577,075.05, 796,404.80 and 318,946.44
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Solution
The fourth proportional to 577,075.05, 796,404.80 and 318,946.44 is: 440,168.88
Step by Step Solution
- Step 1: Write the proportion equation
577,075.05 : 796,404.80 = 318,946.44 : x - Step 2: Convert to fraction form
577,075.05/796,404.80 = 318,946.44/x - Step 3: Cross multiply
577,075.05x = 796,404.80 × 318,946.44 - Step 4: Simplify right side
577,075.05x = 254,010,476,556.28 - Step 5: Solve for x
x = 254,010,476,556.28/577,075.05 - Step 6: Final answer
x = 440,168.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.