Finding the Fourth Proportional to 790,044.11, 1,090,253.09 and 427,460.00
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Solution
The fourth proportional to 790,044.11, 1,090,253.09 and 427,460.00 is: 589,890.60
Step by Step Solution
- Step 1: Write the proportion equation
790,044.11 : 1,090,253.09 = 427,460.00 : x - Step 2: Convert to fraction form
790,044.11/1,090,253.09 = 427,460.00/x - Step 3: Cross multiply
790,044.11x = 1,090,253.09 × 427,460.00 - Step 4: Simplify right side
790,044.11x = 466,039,589,645.68 - Step 5: Solve for x
x = 466,039,589,645.68/790,044.11 - Step 6: Final answer
x = 589,890.60
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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.