Finding the Fourth Proportional to 505,450.65, 697,802.13 and 344,542.08
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Solution
The fourth proportional to 505,450.65, 697,802.13 and 344,542.08 is: 475,659.09
Step by Step Solution
- Step 1: Write the proportion equation
505,450.65 : 697,802.13 = 344,542.08 : x - Step 2: Convert to fraction form
505,450.65/697,802.13 = 344,542.08/x - Step 3: Cross multiply
505,450.65x = 697,802.13 × 344,542.08 - Step 4: Simplify right side
505,450.65x = 240,422,197,298.63 - Step 5: Solve for x
x = 240,422,197,298.63/505,450.65 - Step 6: Final answer
x = 475,659.09
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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.