Finding the Fourth Proportional to 948,235.15, 1,422,354.17 and 387,269.65
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Solution
The fourth proportional to 948,235.15, 1,422,354.17 and 387,269.65 is: 580,905.07
Step by Step Solution
- Step 1: Write the proportion equation
948,235.15 : 1,422,354.17 = 387,269.65 : x - Step 2: Convert to fraction form
948,235.15/1,422,354.17 = 387,269.65/x - Step 3: Cross multiply
948,235.15x = 1,422,354.17 × 387,269.65 - Step 4: Simplify right side
948,235.15x = 550,834,601,591.94 - Step 5: Solve for x
x = 550,834,601,591.94/948,235.15 - Step 6: Final answer
x = 580,905.07
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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.