Finding the Fourth Proportional to 971,165.80, 1,340,214.42 and 541,472.68
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Solution
The fourth proportional to 971,165.80, 1,340,214.42 and 541,472.68 is: 747,235.43
Step by Step Solution
- Step 1: Write the proportion equation
971,165.80 : 1,340,214.42 = 541,472.68 : x - Step 2: Convert to fraction form
971,165.80/1,340,214.42 = 541,472.68/x - Step 3: Cross multiply
971,165.80x = 1,340,214.42 × 541,472.68 - Step 4: Simplify right side
971,165.80x = 725,689,493,772.05 - Step 5: Solve for x
x = 725,689,493,772.05/971,165.80 - Step 6: Final answer
x = 747,235.43
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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.