Finding the Fourth Proportional to 615,246.36, 848,072.97 and 421,318.68
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Solution
The fourth proportional to 615,246.36, 848,072.97 and 421,318.68 is: 580,757.58
Step by Step Solution
- Step 1: Write the proportion equation
615,246.36 : 848,072.97 = 421,318.68 : x - Step 2: Convert to fraction form
615,246.36/848,072.97 = 421,318.68/x - Step 3: Cross multiply
615,246.36x = 848,072.97 × 421,318.68 - Step 4: Simplify right side
615,246.36x = 357,308,984,264.08 - Step 5: Solve for x
x = 357,308,984,264.08/615,246.36 - Step 6: Final answer
x = 580,757.58
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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.