Finding the Fourth Proportional to 943,840.40, 1,415,695.80 and 304,134.80
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Solution
The fourth proportional to 943,840.40, 1,415,695.80 and 304,134.80 is: 456,181.32
Step by Step Solution
- Step 1: Write the proportion equation
943,840.40 : 1,415,695.80 = 304,134.80 : x - Step 2: Convert to fraction form
943,840.40/1,415,695.80 = 304,134.80/x - Step 3: Cross multiply
943,840.40x = 1,415,695.80 × 304,134.80 - Step 4: Simplify right side
943,840.40x = 430,562,358,993.84 - Step 5: Solve for x
x = 430,562,358,993.84/943,840.40 - Step 6: Final answer
x = 456,181.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.