Finding the Fourth Proportional to 531,921.48, 734,024.66 and 290,202.09
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Solution
The fourth proportional to 531,921.48, 734,024.66 and 290,202.09 is: 400,464.16
Step by Step Solution
- Step 1: Write the proportion equation
531,921.48 : 734,024.66 = 290,202.09 : x - Step 2: Convert to fraction form
531,921.48/734,024.66 = 290,202.09/x - Step 3: Cross multiply
531,921.48x = 734,024.66 × 290,202.09 - Step 4: Simplify right side
531,921.48x = 213,015,490,443.54 - Step 5: Solve for x
x = 213,015,490,443.54/531,921.48 - Step 6: Final answer
x = 400,464.16
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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.