Finding the Fourth Proportional to 803,383.47, 1,107,660.44 and 588,149.87
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Solution
The fourth proportional to 803,383.47, 1,107,660.44 and 588,149.87 is: 810,908.32
Step by Step Solution
- Step 1: Write the proportion equation
803,383.47 : 1,107,660.44 = 588,149.87 : x - Step 2: Convert to fraction form
803,383.47/1,107,660.44 = 588,149.87/x - Step 3: Cross multiply
803,383.47x = 1,107,660.44 × 588,149.87 - Step 4: Simplify right side
803,383.47x = 651,470,339,722.22 - Step 5: Solve for x
x = 651,470,339,722.22/803,383.47 - Step 6: Final answer
x = 810,908.32
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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.