Finding the Fourth Proportional to 715,780.23, 1,072,882.99 and 294,826.47
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Solution
The fourth proportional to 715,780.23, 1,072,882.99 and 294,826.47 is: 441,915.40
Step by Step Solution
- Step 1: Write the proportion equation
715,780.23 : 1,072,882.99 = 294,826.47 : x - Step 2: Convert to fraction form
715,780.23/1,072,882.99 = 294,826.47/x - Step 3: Cross multiply
715,780.23x = 1,072,882.99 × 294,826.47 - Step 4: Simplify right side
715,780.23x = 316,314,304,664.75 - Step 5: Solve for x
x = 316,314,304,664.75/715,780.23 - Step 6: Final answer
x = 441,915.40
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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.