Finding the Fourth Proportional to 940,028.63, 1,297,241.12 and 537,620.63
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Solution
The fourth proportional to 940,028.63, 1,297,241.12 and 537,620.63 is: 741,917.39
Step by Step Solution
- Step 1: Write the proportion equation
940,028.63 : 1,297,241.12 = 537,620.63 : x - Step 2: Convert to fraction form
940,028.63/1,297,241.12 = 537,620.63/x - Step 3: Cross multiply
940,028.63x = 1,297,241.12 × 537,620.63 - Step 4: Simplify right side
940,028.63x = 697,423,583,054.15 - Step 5: Solve for x
x = 697,423,583,054.15/940,028.63 - Step 6: Final answer
x = 741,917.39
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1.5x scale
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.