Finding the Fourth Proportional to 611,385.99, 843,739.02 and 339,453.92
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Solution
The fourth proportional to 611,385.99, 843,739.02 and 339,453.92 is: 468,461.03
Step by Step Solution
- Step 1: Write the proportion equation
611,385.99 : 843,739.02 = 339,453.92 : x - Step 2: Convert to fraction form
611,385.99/843,739.02 = 339,453.92/x - Step 3: Cross multiply
611,385.99x = 843,739.02 × 339,453.92 - Step 4: Simplify right side
611,385.99x = 286,410,513,577.26 - Step 5: Solve for x
x = 286,410,513,577.26/611,385.99 - Step 6: Final answer
x = 468,461.03
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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.