Finding the Fourth Proportional to 798,667.12, 1,102,205.25 and 436,124.62
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Solution
The fourth proportional to 798,667.12, 1,102,205.25 and 436,124.62 is: 601,876.34
Step by Step Solution
- Step 1: Write the proportion equation
798,667.12 : 1,102,205.25 = 436,124.62 : x - Step 2: Convert to fraction form
798,667.12/1,102,205.25 = 436,124.62/x - Step 3: Cross multiply
798,667.12x = 1,102,205.25 × 436,124.62 - Step 4: Simplify right side
798,667.12x = 480,698,845,818.26 - Step 5: Solve for x
x = 480,698,845,818.26/798,667.12 - Step 6: Final answer
x = 601,876.34
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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.