Finding the Fourth Proportional to 798,630.91, 1,102,102.31 and 436,053.65
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Solution
The fourth proportional to 798,630.91, 1,102,102.31 and 436,053.65 is: 601,749.48
Step by Step Solution
- Step 1: Write the proportion equation
798,630.91 : 1,102,102.31 = 436,053.65 : x - Step 2: Convert to fraction form
798,630.91/1,102,102.31 = 436,053.65/x - Step 3: Cross multiply
798,630.91x = 1,102,102.31 × 436,053.65 - Step 4: Simplify right side
798,630.91x = 480,575,734,948.93 - Step 5: Solve for x
x = 480,575,734,948.93/798,630.91 - Step 6: Final answer
x = 601,749.48
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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.