Finding the Fourth Proportional to 801,244.36, 1,105,719.78 and 438,671.08
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Solution
The fourth proportional to 801,244.36, 1,105,719.78 and 438,671.08 is: 605,367.49
Step by Step Solution
- Step 1: Write the proportion equation
801,244.36 : 1,105,719.78 = 438,671.08 : x - Step 2: Convert to fraction form
801,244.36/1,105,719.78 = 438,671.08/x - Step 3: Cross multiply
801,244.36x = 1,105,719.78 × 438,671.08 - Step 4: Simplify right side
801,244.36x = 485,047,290,069.96 - Step 5: Solve for x
x = 485,047,290,069.96/801,244.36 - Step 6: Final answer
x = 605,367.49
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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.