Finding the Fourth Proportional to 734,314.68, 1,100,830.50 and 284,725.80
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Solution
The fourth proportional to 734,314.68, 1,100,830.50 and 284,725.80 is: 426,839.95
Step by Step Solution
- Step 1: Write the proportion equation
734,314.68 : 1,100,830.50 = 284,725.80 : x - Step 2: Convert to fraction form
734,314.68/1,100,830.50 = 284,725.80/x - Step 3: Cross multiply
734,314.68x = 1,100,830.50 × 284,725.80 - Step 4: Simplify right side
734,314.68x = 313,434,844,776.90 - Step 5: Solve for x
x = 313,434,844,776.90/734,314.68 - Step 6: Final answer
x = 426,839.95
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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.