Finding the Fourth Proportional to 865,711.28, 1,194,660.71 and 473,226.80
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Solution
The fourth proportional to 865,711.28, 1,194,660.71 and 473,226.80 is: 653,041.58
Step by Step Solution
- Step 1: Write the proportion equation
865,711.28 : 1,194,660.71 = 473,226.80 : x - Step 2: Convert to fraction form
865,711.28/1,194,660.71 = 473,226.80/x - Step 3: Cross multiply
865,711.28x = 1,194,660.71 × 473,226.80 - Step 4: Simplify right side
865,711.28x = 565,345,456,539.59 - Step 5: Solve for x
x = 565,345,456,539.59/865,711.28 - Step 6: Final answer
x = 653,041.58
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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.