Finding the Fourth Proportional to 723,789.24, 998,748.60 and 401,418.60
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Solution
The fourth proportional to 723,789.24, 998,748.60 and 401,418.60 is: 553,912.99
Step by Step Solution
- Step 1: Write the proportion equation
723,789.24 : 998,748.60 = 401,418.60 : x - Step 2: Convert to fraction form
723,789.24/998,748.60 = 401,418.60/x - Step 3: Cross multiply
723,789.24x = 998,748.60 × 401,418.60 - Step 4: Simplify right side
723,789.24x = 400,916,264,763.96 - Step 5: Solve for x
x = 400,916,264,763.96/723,789.24 - Step 6: Final answer
x = 553,912.99
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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.