Finding the Fourth Proportional to 798,633.55, 1,102,105.92 and 436,056.28
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Solution
The fourth proportional to 798,633.55, 1,102,105.92 and 436,056.28 is: 601,753.09
Step by Step Solution
- Step 1: Write the proportion equation
798,633.55 : 1,102,105.92 = 436,056.28 : x - Step 2: Convert to fraction form
798,633.55/1,102,105.92 = 436,056.28/x - Step 3: Cross multiply
798,633.55x = 1,102,105.92 × 436,056.28 - Step 4: Simplify right side
798,633.55x = 480,580,207,641.18 - Step 5: Solve for x
x = 480,580,207,641.18/798,633.55 - Step 6: Final answer
x = 601,753.09
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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.