Finding the Fourth Proportional to 971,167.58, 1,340,212.09 and 541,439.09
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Solution
The fourth proportional to 971,167.58, 1,340,212.09 and 541,439.09 is: 747,186.40
Step by Step Solution
- Step 1: Write the proportion equation
971,167.58 : 1,340,212.09 = 541,439.09 : x - Step 2: Convert to fraction form
971,167.58/1,340,212.09 = 541,439.09/x - Step 3: Cross multiply
971,167.58x = 1,340,212.09 × 541,439.09 - Step 4: Simplify right side
971,167.58x = 725,643,207,715.54 - Step 5: Solve for x
x = 725,643,207,715.54/971,167.58 - Step 6: Final answer
x = 747,186.40
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1.5x scale
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.