Finding the Fourth Proportional to 610,218.24, 842,496.44 and 392,524.26
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Solution
The fourth proportional to 610,218.24, 842,496.44 and 392,524.26 is: 541,937.73
Step by Step Solution
- Step 1: Write the proportion equation
610,218.24 : 842,496.44 = 392,524.26 : x - Step 2: Convert to fraction form
610,218.24/842,496.44 = 392,524.26/x - Step 3: Cross multiply
610,218.24x = 842,496.44 × 392,524.26 - Step 4: Simplify right side
610,218.24x = 330,700,289,701.01 - Step 5: Solve for x
x = 330,700,289,701.01/610,218.24 - Step 6: Final answer
x = 541,937.73
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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.