Finding the Fourth Proportional to 798,556.97, 1,102,024.20 and 435,981.75
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Solution
The fourth proportional to 798,556.97, 1,102,024.20 and 435,981.75 is: 601,663.32
Step by Step Solution
- Step 1: Write the proportion equation
798,556.97 : 1,102,024.20 = 435,981.75 : x - Step 2: Convert to fraction form
798,556.97/1,102,024.20 = 435,981.75/x - Step 3: Cross multiply
798,556.97x = 1,102,024.20 × 435,981.75 - Step 4: Simplify right side
798,556.97x = 480,462,437,078.44 - Step 5: Solve for x
x = 480,462,437,078.44/798,556.97 - Step 6: Final answer
x = 601,663.32
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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.