Finding the Fourth Proportional to 971,718.28, 1,340,967.70 and 541,998.08
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Solution
The fourth proportional to 971,718.28, 1,340,967.70 and 541,998.08 is: 747,955.38
Step by Step Solution
- Step 1: Write the proportion equation
971,718.28 : 1,340,967.70 = 541,998.08 : x - Step 2: Convert to fraction form
971,718.28/1,340,967.70 = 541,998.08/x - Step 3: Cross multiply
971,718.28x = 1,340,967.70 × 541,998.08 - Step 4: Simplify right side
971,718.28x = 726,801,918,742.02 - Step 5: Solve for x
x = 726,801,918,742.02/971,718.28 - Step 6: Final answer
x = 747,955.38
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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.