Finding the Fourth Proportional to 677,902.28, 933,709.31 and 505,266.99
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Solution
The fourth proportional to 677,902.28, 933,709.31 and 505,266.99 is: 695,929.94
Step by Step Solution
- Step 1: Write the proportion equation
677,902.28 : 933,709.31 = 505,266.99 : x - Step 2: Convert to fraction form
677,902.28/933,709.31 = 505,266.99/x - Step 3: Cross multiply
677,902.28x = 933,709.31 × 505,266.99 - Step 4: Simplify right side
677,902.28x = 471,772,490,072.34 - Step 5: Solve for x
x = 471,772,490,072.34/677,902.28 - Step 6: Final answer
x = 695,929.94
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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.