Finding the Fourth Proportional to 790,544.24, 1,090,951.41 and 427,968.09
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Solution
The fourth proportional to 790,544.24, 1,090,951.41 and 427,968.09 is: 590,596.16
Step by Step Solution
- Step 1: Write the proportion equation
790,544.24 : 1,090,951.41 = 427,968.09 : x - Step 2: Convert to fraction form
790,544.24/1,090,951.41 = 427,968.09/x - Step 3: Cross multiply
790,544.24x = 1,090,951.41 × 427,968.09 - Step 4: Simplify right side
790,544.24x = 466,892,391,220.51 - Step 5: Solve for x
x = 466,892,391,220.51/790,544.24 - Step 6: Final answer
x = 590,596.16
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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.