Finding the Fourth Proportional to 822,336.53, 1,233,620.75 and 253,763.91
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Solution
The fourth proportional to 822,336.53, 1,233,620.75 and 253,763.91 is: 380,681.65
Step by Step Solution
- Step 1: Write the proportion equation
822,336.53 : 1,233,620.75 = 253,763.91 : x - Step 2: Convert to fraction form
822,336.53/1,233,620.75 = 253,763.91/x - Step 3: Cross multiply
822,336.53x = 1,233,620.75 × 253,763.91 - Step 4: Simplify right side
822,336.53x = 313,048,424,977.13 - Step 5: Solve for x
x = 313,048,424,977.13/822,336.53 - Step 6: Final answer
x = 380,681.65
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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.