Finding the Fourth Proportional to 769,876.99, 1,062,470.63 and 464,050.55
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Solution
The fourth proportional to 769,876.99, 1,062,470.63 and 464,050.55 is: 640,414.11
Step by Step Solution
- Step 1: Write the proportion equation
769,876.99 : 1,062,470.63 = 464,050.55 : x - Step 2: Convert to fraction form
769,876.99/1,062,470.63 = 464,050.55/x - Step 3: Cross multiply
769,876.99x = 1,062,470.63 × 464,050.55 - Step 4: Simplify right side
769,876.99x = 493,040,084,026.65 - Step 5: Solve for x
x = 493,040,084,026.65/769,876.99 - Step 6: Final answer
x = 640,414.11
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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.