Finding the Fourth Proportional to 971,710.26, 1,340,956.68 and 541,990.06
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Solution
The fourth proportional to 971,710.26, 1,340,956.68 and 541,990.06 is: 747,944.34
Step by Step Solution
- Step 1: Write the proportion equation
971,710.26 : 1,340,956.68 = 541,990.06 : x - Step 2: Convert to fraction form
971,710.26/1,340,956.68 = 541,990.06/x - Step 3: Cross multiply
971,710.26x = 1,340,956.68 × 541,990.06 - Step 4: Simplify right side
971,710.26x = 726,785,191,450.60 - Step 5: Solve for x
x = 726,785,191,450.60/971,710.26 - Step 6: Final answer
x = 747,944.34
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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.