Finding the Fourth Proportional to 505,447.65, 697,797.99 and 344,539.08
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Solution
The fourth proportional to 505,447.65, 697,797.99 and 344,539.08 is: 475,654.95
Step by Step Solution
- Step 1: Write the proportion equation
505,447.65 : 697,797.99 = 344,539.08 : x - Step 2: Convert to fraction form
505,447.65/697,797.99 = 344,539.08/x - Step 3: Cross multiply
505,447.65x = 697,797.99 × 344,539.08 - Step 4: Simplify right side
505,447.65x = 240,418,677,500.45 - Step 5: Solve for x
x = 240,418,677,500.45/505,447.65 - Step 6: Final answer
x = 475,654.95
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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.