Finding the Fourth Proportional to 767,120.09, 1,148,977.67 and 496,377.68
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Solution
The fourth proportional to 767,120.09, 1,148,977.67 and 496,377.68 is: 743,464.92
Step by Step Solution
- Step 1: Write the proportion equation
767,120.09 : 1,148,977.67 = 496,377.68 : x - Step 2: Convert to fraction form
767,120.09/1,148,977.67 = 496,377.68/x - Step 3: Cross multiply
767,120.09x = 1,148,977.67 × 496,377.68 - Step 4: Simplify right side
767,120.09x = 570,326,874,319.79 - Step 5: Solve for x
x = 570,326,874,319.79/767,120.09 - Step 6: Final answer
x = 743,464.92
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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.