Finding the Fourth Proportional to 480,525.36, 663,126.12 and 276,588.96
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Solution
The fourth proportional to 480,525.36, 663,126.12 and 276,588.96 is: 381,693.41
Step by Step Solution
- Step 1: Write the proportion equation
480,525.36 : 663,126.12 = 276,588.96 : x - Step 2: Convert to fraction form
480,525.36/663,126.12 = 276,588.96/x - Step 3: Cross multiply
480,525.36x = 663,126.12 × 276,588.96 - Step 4: Simplify right side
480,525.36x = 183,413,363,879.64 - Step 5: Solve for x
x = 183,413,363,879.64/480,525.36 - Step 6: Final answer
x = 381,693.41
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1.5x scale
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.