Finding the Fourth Proportional to 741,138.56, 1,106,284 and 636,629.12
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Solution
The fourth proportional to 741,138.56, 1,106,284 and 636,629.12 is: 950,284.67
Step by Step Solution
- Step 1: Write the proportion equation
741,138.56 : 1,106,284 = 636,629.12 : x - Step 2: Convert to fraction form
741,138.56/1,106,284 = 636,629.12/x - Step 3: Cross multiply
741,138.56x = 1,106,284 × 636,629.12 - Step 4: Simplify right side
741,138.56x = 704,292,609,390.08 - Step 5: Solve for x
x = 704,292,609,390.08/741,138.56 - Step 6: Final answer
x = 950,284.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.