Finding the Fourth Proportional to 729,922.48, 1,007,378 and 607,198.08
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Solution
The fourth proportional to 729,922.48, 1,007,378 and 607,198.08 is: 838,004.04
Step by Step Solution
- Step 1: Write the proportion equation
729,922.48 : 1,007,378 = 607,198.08 : x - Step 2: Convert to fraction form
729,922.48/1,007,378 = 607,198.08/x - Step 3: Cross multiply
729,922.48x = 1,007,378 × 607,198.08 - Step 4: Simplify right side
729,922.48x = 611,677,987,434.24 - Step 5: Solve for x
x = 611,677,987,434.24/729,922.48 - Step 6: Final answer
x = 838,004.04
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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.