Finding the Fourth Proportional to 561,936.48, 775,473.12 and 316,924.44
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Solution
The fourth proportional to 561,936.48, 775,473.12 and 316,924.44 is: 437,356.17
Step by Step Solution
- Step 1: Write the proportion equation
561,936.48 : 775,473.12 = 316,924.44 : x - Step 2: Convert to fraction form
561,936.48/775,473.12 = 316,924.44/x - Step 3: Cross multiply
561,936.48x = 775,473.12 × 316,924.44 - Step 4: Simplify right side
561,936.48x = 245,766,384,291.05 - Step 5: Solve for x
x = 245,766,384,291.05/561,936.48 - Step 6: Final answer
x = 437,356.17
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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.