Finding the Fourth Proportional to 625,678.74, 938,797.26 and 288,538.41
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Solution
The fourth proportional to 625,678.74, 938,797.26 and 288,538.41 is: 432,936.35
Step by Step Solution
- Step 1: Write the proportion equation
625,678.74 : 938,797.26 = 288,538.41 : x - Step 2: Convert to fraction form
625,678.74/938,797.26 = 288,538.41/x - Step 3: Cross multiply
625,678.74x = 938,797.26 × 288,538.41 - Step 4: Simplify right side
625,678.74x = 270,879,071,151.23 - Step 5: Solve for x
x = 270,879,071,151.23/625,678.74 - Step 6: Final answer
x = 432,936.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.