Finding the Fourth Proportional to 610,218.99, 842,497.47 and 392,525.01
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Solution
The fourth proportional to 610,218.99, 842,497.47 and 392,525.01 is: 541,938.77
Step by Step Solution
- Step 1: Write the proportion equation
610,218.99 : 842,497.47 = 392,525.01 : x - Step 2: Convert to fraction form
610,218.99/842,497.47 = 392,525.01/x - Step 3: Cross multiply
610,218.99x = 842,497.47 × 392,525.01 - Step 4: Simplify right side
610,218.99x = 330,701,327,836.73 - Step 5: Solve for x
x = 330,701,327,836.73/610,218.99 - Step 6: Final answer
x = 541,938.77
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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.