Finding the Fourth Proportional to 930,137.20, 1,395,205.80 and 894,707.80
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Solution
The fourth proportional to 930,137.20, 1,395,205.80 and 894,707.80 is: 1,342,061.70
Step by Step Solution
- Step 1: Write the proportion equation
930,137.20 : 1,395,205.80 = 894,707.80 : x - Step 2: Convert to fraction form
930,137.20/1,395,205.80 = 894,707.80/x - Step 3: Cross multiply
930,137.20x = 1,395,205.80 × 894,707.80 - Step 4: Simplify right side
930,137.20x = 1,248,301,511,865.24 - Step 5: Solve for x
x = 1,248,301,511,865.24/930,137.20 - Step 6: Final answer
x = 1,342,061.70
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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.