Finding the Fourth Proportional to 888,339.14, 1,225,939.74 and 506,304.26
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Solution
The fourth proportional to 888,339.14, 1,225,939.74 and 506,304.26 is: 698,717.96
Step by Step Solution
- Step 1: Write the proportion equation
888,339.14 : 1,225,939.74 = 506,304.26 : x - Step 2: Convert to fraction form
888,339.14/1,225,939.74 = 506,304.26/x - Step 3: Cross multiply
888,339.14x = 1,225,939.74 × 506,304.26 - Step 4: Simplify right side
888,339.14x = 620,698,505,469.83 - Step 5: Solve for x
x = 620,698,505,469.83/888,339.14 - Step 6: Final answer
x = 698,717.96
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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.