Finding the Fourth Proportional to 723,855.44, 998,921.67 and 401,565.53
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Solution
The fourth proportional to 723,855.44, 998,921.67 and 401,565.53 is: 554,161.07
Step by Step Solution
- Step 1: Write the proportion equation
723,855.44 : 998,921.67 = 401,565.53 : x - Step 2: Convert to fraction form
723,855.44/998,921.67 = 401,565.53/x - Step 3: Cross multiply
723,855.44x = 998,921.67 × 401,565.53 - Step 4: Simplify right side
723,855.44x = 401,132,504,847.43 - Step 5: Solve for x
x = 401,132,504,847.43/723,855.44 - Step 6: Final answer
x = 554,161.07
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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.