Finding the Fourth Proportional to 723,840.80, 998,853.24 and 401,550.08
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Solution
The fourth proportional to 723,840.80, 998,853.24 and 401,550.08 is: 554,113.00
Step by Step Solution
- Step 1: Write the proportion equation
723,840.80 : 998,853.24 = 401,550.08 : x - Step 2: Convert to fraction form
723,840.80/998,853.24 = 401,550.08/x - Step 3: Cross multiply
723,840.80x = 998,853.24 × 401,550.08 - Step 4: Simplify right side
723,840.80x = 401,089,598,430.26 - Step 5: Solve for x
x = 401,089,598,430.26/723,840.80 - Step 6: Final answer
x = 554,113.00
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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.