Finding the Fourth Proportional to 887,617.44, 1,223,673.48 and 615,217.68
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Solution
The fourth proportional to 887,617.44, 1,223,673.48 and 615,217.68 is: 848,141.92
Step by Step Solution
- Step 1: Write the proportion equation
887,617.44 : 1,223,673.48 = 615,217.68 : x - Step 2: Convert to fraction form
887,617.44/1,223,673.48 = 615,217.68/x - Step 3: Cross multiply
887,617.44x = 1,223,673.48 × 615,217.68 - Step 4: Simplify right side
887,617.44x = 752,825,559,443.13 - Step 5: Solve for x
x = 752,825,559,443.13/887,617.44 - Step 6: Final answer
x = 848,141.92
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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.