Finding the Fourth Proportional to 723,629.99, 998,670.70 and 401,443.88
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Solution
The fourth proportional to 723,629.99, 998,670.70 and 401,443.88 is: 554,026.56
Step by Step Solution
- Step 1: Write the proportion equation
723,629.99 : 998,670.70 = 401,443.88 : x - Step 2: Convert to fraction form
723,629.99/998,670.70 = 401,443.88/x - Step 3: Cross multiply
723,629.99x = 998,670.70 × 401,443.88 - Step 4: Simplify right side
723,629.99x = 400,910,236,158.77 - Step 5: Solve for x
x = 400,910,236,158.77/723,629.99 - Step 6: Final answer
x = 554,026.56
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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.