Finding the Fourth Proportional to 599,889.36, 900,058.68 and 311,521.26
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Solution
The fourth proportional to 599,889.36, 900,058.68 and 311,521.26 is: 467,398.55
Step by Step Solution
- Step 1: Write the proportion equation
599,889.36 : 900,058.68 = 311,521.26 : x - Step 2: Convert to fraction form
599,889.36/900,058.68 = 311,521.26/x - Step 3: Cross multiply
599,889.36x = 900,058.68 × 311,521.26 - Step 4: Simplify right side
599,889.36x = 280,387,414,067.54 - Step 5: Solve for x
x = 280,387,414,067.54/599,889.36 - Step 6: Final answer
x = 467,398.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.