Finding the Fourth Proportional to 615,304.68, 849,494.68 and 422,029.92
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Solution
The fourth proportional to 615,304.68, 849,494.68 and 422,029.92 is: 582,657.96
Step by Step Solution
- Step 1: Write the proportion equation
615,304.68 : 849,494.68 = 422,029.92 : x - Step 2: Convert to fraction form
615,304.68/849,494.68 = 422,029.92/x - Step 3: Cross multiply
615,304.68x = 849,494.68 × 422,029.92 - Step 4: Simplify right side
615,304.68x = 358,512,168,662.01 - Step 5: Solve for x
x = 358,512,168,662.01/615,304.68 - Step 6: Final answer
x = 582,657.96
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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.