Finding the Fourth Proportional to 415,844.28, 620,758.49 and 365,398.70
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Solution
The fourth proportional to 415,844.28, 620,758.49 and 365,398.70 is: 545,455.00
Step by Step Solution
- Step 1: Write the proportion equation
415,844.28 : 620,758.49 = 365,398.70 : x - Step 2: Convert to fraction form
415,844.28/620,758.49 = 365,398.70/x - Step 3: Cross multiply
415,844.28x = 620,758.49 × 365,398.70 - Step 4: Simplify right side
415,844.28x = 226,824,340,329.18 - Step 5: Solve for x
x = 226,824,340,329.18/415,844.28 - Step 6: Final answer
x = 545,455.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.