Finding the Fourth Proportional to 679,163.64, 937,246.02 and 377,357.64
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Solution
The fourth proportional to 679,163.64, 937,246.02 and 377,357.64 is: 520,753.65
Step by Step Solution
- Step 1: Write the proportion equation
679,163.64 : 937,246.02 = 377,357.64 : x - Step 2: Convert to fraction form
679,163.64/937,246.02 = 377,357.64/x - Step 3: Cross multiply
679,163.64x = 937,246.02 × 377,357.64 - Step 4: Simplify right side
679,163.64x = 353,676,946,206.59 - Step 5: Solve for x
x = 353,676,946,206.59/679,163.64 - Step 6: Final answer
x = 520,753.65
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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.