Finding the Fourth Proportional to 755,319.36, 1,042,340.76 and 415,785
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Solution
The fourth proportional to 755,319.36, 1,042,340.76 and 415,785 is: 573,783.32
Step by Step Solution
- Step 1: Write the proportion equation
755,319.36 : 1,042,340.76 = 415,785 : x - Step 2: Convert to fraction form
755,319.36/1,042,340.76 = 415,785/x - Step 3: Cross multiply
755,319.36x = 1,042,340.76 × 415,785 - Step 4: Simplify right side
755,319.36x = 433,389,652,896.60 - Step 5: Solve for x
x = 433,389,652,896.60/755,319.36 - Step 6: Final answer
x = 573,783.32
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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.