Finding the Fourth Proportional to 887,619.44, 1,223,676.24 and 615,219.68
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Solution
The fourth proportional to 887,619.44, 1,223,676.24 and 615,219.68 is: 848,144.68
Step by Step Solution
- Step 1: Write the proportion equation
887,619.44 : 1,223,676.24 = 615,219.68 : x - Step 2: Convert to fraction form
887,619.44/1,223,676.24 = 615,219.68/x - Step 3: Cross multiply
887,619.44x = 1,223,676.24 × 615,219.68 - Step 4: Simplify right side
887,619.44x = 752,829,704,796.40 - Step 5: Solve for x
x = 752,829,704,796.40/887,619.44 - Step 6: Final answer
x = 848,144.68
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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.