Finding the Fourth Proportional to 700,940.08, 967,296.36 and 399,134.08
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Solution
The fourth proportional to 700,940.08, 967,296.36 and 399,134.08 is: 550,804.49
Step by Step Solution
- Step 1: Write the proportion equation
700,940.08 : 967,296.36 = 399,134.08 : x - Step 2: Convert to fraction form
700,940.08/967,296.36 = 399,134.08/x - Step 3: Cross multiply
700,940.08x = 967,296.36 × 399,134.08 - Step 4: Simplify right side
700,940.08x = 386,080,942,735.95 - Step 5: Solve for x
x = 386,080,942,735.95/700,940.08 - Step 6: Final answer
x = 550,804.49
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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.