Finding the Fourth Proportional to 547,119.74, 755,022.36 and 317,733.44
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Solution
The fourth proportional to 547,119.74, 755,022.36 and 317,733.44 is: 438,470.47
Step by Step Solution
- Step 1: Write the proportion equation
547,119.74 : 755,022.36 = 317,733.44 : x - Step 2: Convert to fraction form
547,119.74/755,022.36 = 317,733.44/x - Step 3: Cross multiply
547,119.74x = 755,022.36 × 317,733.44 - Step 4: Simplify right side
547,119.74x = 239,895,851,719.72 - Step 5: Solve for x
x = 239,895,851,719.72/547,119.74 - Step 6: Final answer
x = 438,470.47
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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.