Finding the Fourth Proportional to 675,169.23, 931,848.11 and 388,855.09
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Solution
The fourth proportional to 675,169.23, 931,848.11 and 388,855.09 is: 536,686.01
Step by Step Solution
- Step 1: Write the proportion equation
675,169.23 : 931,848.11 = 388,855.09 : x - Step 2: Convert to fraction form
675,169.23/931,848.11 = 388,855.09/x - Step 3: Cross multiply
675,169.23x = 931,848.11 × 388,855.09 - Step 4: Simplify right side
675,169.23x = 362,353,880,680.38 - Step 5: Solve for x
x = 362,353,880,680.38/675,169.23 - Step 6: Final answer
x = 536,686.01
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1.5x scale
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.