Finding the Fourth Proportional to 667,324.44, 920,999.36 and 409,155.74
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Solution
The fourth proportional to 667,324.44, 920,999.36 and 409,155.74 is: 564,691.09
Step by Step Solution
- Step 1: Write the proportion equation
667,324.44 : 920,999.36 = 409,155.74 : x - Step 2: Convert to fraction form
667,324.44/920,999.36 = 409,155.74/x - Step 3: Cross multiply
667,324.44x = 920,999.36 × 409,155.74 - Step 4: Simplify right side
667,324.44x = 376,832,168,029.55 - Step 5: Solve for x
x = 376,832,168,029.55/667,324.44 - Step 6: Final answer
x = 564,691.09
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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.