Finding the Fourth Proportional to 801,690.12, 1,106,331.18 and 439,114.44
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Solution
The fourth proportional to 801,690.12, 1,106,331.18 and 439,114.44 is: 605,977.28
Step by Step Solution
- Step 1: Write the proportion equation
801,690.12 : 1,106,331.18 = 439,114.44 : x - Step 2: Convert to fraction form
801,690.12/1,106,331.18 = 439,114.44/x - Step 3: Cross multiply
801,690.12x = 1,106,331.18 × 439,114.44 - Step 4: Simplify right side
801,690.12x = 485,805,996,560.24 - Step 5: Solve for x
x = 485,805,996,560.24/801,690.12 - Step 6: Final answer
x = 605,977.28
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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.