Finding the Fourth Proportional to 700,880.94, 967,215.62 and 378,591.08
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Solution
The fourth proportional to 700,880.94, 967,215.62 and 378,591.08 is: 522,455.64
Step by Step Solution
- Step 1: Write the proportion equation
700,880.94 : 967,215.62 = 378,591.08 : x - Step 2: Convert to fraction form
700,880.94/967,215.62 = 378,591.08/x - Step 3: Cross multiply
700,880.94x = 967,215.62 × 378,591.08 - Step 4: Simplify right side
700,880.94x = 366,179,202,279.07 - Step 5: Solve for x
x = 366,179,202,279.07/700,880.94 - Step 6: Final answer
x = 522,455.64
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1.5x scale
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.