Finding the Fourth Proportional to 981,793.21, 1,354,882.70 and 552,069.58
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Solution
The fourth proportional to 981,793.21, 1,354,882.70 and 552,069.58 is: 761,860.55
Step by Step Solution
- Step 1: Write the proportion equation
981,793.21 : 1,354,882.70 = 552,069.58 : x - Step 2: Convert to fraction form
981,793.21/1,354,882.70 = 552,069.58/x - Step 3: Cross multiply
981,793.21x = 1,354,882.70 × 552,069.58 - Step 4: Simplify right side
981,793.21x = 747,989,513,603.51 - Step 5: Solve for x
x = 747,989,513,603.51/981,793.21 - Step 6: Final answer
x = 761,860.55
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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.