Finding the Fourth Proportional to 848,426.10, 1,272,368.67 and 279,701.20
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Solution
The fourth proportional to 848,426.10, 1,272,368.67 and 279,701.20 is: 419,462.63
Step by Step Solution
- Step 1: Write the proportion equation
848,426.10 : 1,272,368.67 = 279,701.20 : x - Step 2: Convert to fraction form
848,426.10/1,272,368.67 = 279,701.20/x - Step 3: Cross multiply
848,426.10x = 1,272,368.67 × 279,701.20 - Step 4: Simplify right side
848,426.10x = 355,883,043,841.40 - Step 5: Solve for x
x = 355,883,043,841.40/848,426.10 - Step 6: Final answer
x = 419,462.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.