Finding the Fourth Proportional to 790,182.26, 1,090,443.21 and 427,598.18
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Solution
The fourth proportional to 790,182.26, 1,090,443.21 and 427,598.18 is: 590,080.99
Step by Step Solution
- Step 1: Write the proportion equation
790,182.26 : 1,090,443.21 = 427,598.18 : x - Step 2: Convert to fraction form
790,182.26/1,090,443.21 = 427,598.18/x - Step 3: Cross multiply
790,182.26x = 1,090,443.21 × 427,598.18 - Step 4: Simplify right side
790,182.26x = 466,271,531,989.36 - Step 5: Solve for x
x = 466,271,531,989.36/790,182.26 - Step 6: Final answer
x = 590,080.99
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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.