Finding the Fourth Proportional to 1,037.58, 1,556.00 and 452.55
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Solution
The fourth proportional to 1,037.58, 1,556.00 and 452.55 is: 678.66
Step by Step Solution
- Step 1: Write the proportion equation
1,037.58 : 1,556.00 = 452.55 : x - Step 2: Convert to fraction form
1,037.58/1,556.00 = 452.55/x - Step 3: Cross multiply
1,037.58x = 1,556.00 × 452.55 - Step 4: Simplify right side
1,037.58x = 704,165.54 - Step 5: Solve for x
x = 704,165.54/1,037.58 - Step 6: Final answer
x = 678.66
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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.