Finding the Fourth Proportional to 839,448.28, 1,259,544.08 and 439,994.08
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Solution
The fourth proportional to 839,448.28, 1,259,544.08 and 439,994.08 is: 660,185.92
Step by Step Solution
- Step 1: Write the proportion equation
839,448.28 : 1,259,544.08 = 439,994.08 : x - Step 2: Convert to fraction form
839,448.28/1,259,544.08 = 439,994.08/x - Step 3: Cross multiply
839,448.28x = 1,259,544.08 × 439,994.08 - Step 4: Simplify right side
839,448.28x = 554,191,938,699.05 - Step 5: Solve for x
x = 554,191,938,699.05/839,448.28 - Step 6: Final answer
x = 660,185.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.