Finding the Fourth Proportional to 611,040.24, 843,210.54 and 339,119.46
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Solution
The fourth proportional to 611,040.24, 843,210.54 and 339,119.46 is: 467,970.99
Step by Step Solution
- Step 1: Write the proportion equation
611,040.24 : 843,210.54 = 339,119.46 : x - Step 2: Convert to fraction form
611,040.24/843,210.54 = 339,119.46/x - Step 3: Cross multiply
611,040.24x = 843,210.54 × 339,119.46 - Step 4: Simplify right side
611,040.24x = 285,949,102,991.11 - Step 5: Solve for x
x = 285,949,102,991.11/611,040.24 - Step 6: Final answer
x = 467,970.99
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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.