Finding the Fourth Proportional to 753,919.77, 1,130,864.07 and 248,511.09
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Solution
The fourth proportional to 753,919.77, 1,130,864.07 and 248,511.09 is: 372,761.50
Step by Step Solution
- Step 1: Write the proportion equation
753,919.77 : 1,130,864.07 = 248,511.09 : x - Step 2: Convert to fraction form
753,919.77/1,130,864.07 = 248,511.09/x - Step 3: Cross multiply
753,919.77x = 1,130,864.07 × 248,511.09 - Step 4: Simplify right side
753,919.77x = 281,032,262,677.54 - Step 5: Solve for x
x = 281,032,262,677.54/753,919.77 - Step 6: Final answer
x = 372,761.50
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1.5x scale
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.