Finding the Fourth Proportional to 930,560.40, 1,396,113.84 and 299,458.08
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Solution
The fourth proportional to 930,560.40, 1,396,113.84 and 299,458.08 is: 449,275.05
Step by Step Solution
- Step 1: Write the proportion equation
930,560.40 : 1,396,113.84 = 299,458.08 : x - Step 2: Convert to fraction form
930,560.40/1,396,113.84 = 299,458.08/x - Step 3: Cross multiply
930,560.40x = 1,396,113.84 × 299,458.08 - Step 4: Simplify right side
930,560.40x = 418,077,569,987.83 - Step 5: Solve for x
x = 418,077,569,987.83/930,560.40 - Step 6: Final answer
x = 449,275.05
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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.