Finding the Fourth Proportional to 836,220.87, 1,248,012.05 and 755,508.42
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Solution
The fourth proportional to 836,220.87, 1,248,012.05 and 755,508.42 is: 1,127,553.31
Step by Step Solution
- Step 1: Write the proportion equation
836,220.87 : 1,248,012.05 = 755,508.42 : x - Step 2: Convert to fraction form
836,220.87/1,248,012.05 = 755,508.42/x - Step 3: Cross multiply
836,220.87x = 1,248,012.05 × 755,508.42 - Step 4: Simplify right side
836,220.87x = 942,883,608,258.92 - Step 5: Solve for x
x = 942,883,608,258.92/836,220.87 - Step 6: Final answer
x = 1,127,553.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.