Finding the Fourth Proportional to 719,596.74, 993,058.99 and 397,327.21
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Solution
The fourth proportional to 719,596.74, 993,058.99 and 397,327.21 is: 548,320.09
Step by Step Solution
- Step 1: Write the proportion equation
719,596.74 : 993,058.99 = 397,327.21 : x - Step 2: Convert to fraction form
719,596.74/993,058.99 = 397,327.21/x - Step 3: Cross multiply
719,596.74x = 993,058.99 × 397,327.21 - Step 4: Simplify right side
719,596.74x = 394,569,354,386.15 - Step 5: Solve for x
x = 394,569,354,386.15/719,596.74 - Step 6: Final answer
x = 548,320.09
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1.5x scale
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.