Finding the Fourth Proportional to 808,122.44, 1,115,340.54 and 486,158.06
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Solution
The fourth proportional to 808,122.44, 1,115,340.54 and 486,158.06 is: 670,977.28
Step by Step Solution
- Step 1: Write the proportion equation
808,122.44 : 1,115,340.54 = 486,158.06 : x - Step 2: Convert to fraction form
808,122.44/1,115,340.54 = 486,158.06/x - Step 3: Cross multiply
808,122.44x = 1,115,340.54 × 486,158.06 - Step 4: Simplify right side
808,122.44x = 542,231,793,165.75 - Step 5: Solve for x
x = 542,231,793,165.75/808,122.44 - Step 6: Final answer
x = 670,977.28
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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.