Finding the Fourth Proportional to 930,874.24, 1,396,283.54 and 256,996.68
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Solution
The fourth proportional to 930,874.24, 1,396,283.54 and 256,996.68 is: 385,487.34
Step by Step Solution
- Step 1: Write the proportion equation
930,874.24 : 1,396,283.54 = 256,996.68 : x - Step 2: Convert to fraction form
930,874.24/1,396,283.54 = 256,996.68/x - Step 3: Cross multiply
930,874.24x = 1,396,283.54 × 256,996.68 - Step 4: Simplify right side
930,874.24x = 358,840,234,118.65 - Step 5: Solve for x
x = 358,840,234,118.65/930,874.24 - Step 6: Final answer
x = 385,487.34
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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.