Finding the Fourth Proportional to 790,090.26, 1,090,316.38 and 427,506.12
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Solution
The fourth proportional to 790,090.26, 1,090,316.38 and 427,506.12 is: 589,954.02
Step by Step Solution
- Step 1: Write the proportion equation
790,090.26 : 1,090,316.38 = 427,506.12 : x - Step 2: Convert to fraction form
790,090.26/1,090,316.38 = 427,506.12/x - Step 3: Cross multiply
790,090.26x = 1,090,316.38 × 427,506.12 - Step 4: Simplify right side
790,090.26x = 466,116,925,186.25 - Step 5: Solve for x
x = 466,116,925,186.25/790,090.26 - Step 6: Final answer
x = 589,954.02
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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.