Finding the Fourth Proportional to 829,449.14, 1,144,566.81 and 461,898.51
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Solution
The fourth proportional to 829,449.14, 1,144,566.81 and 461,898.51 is: 637,379.28
Step by Step Solution
- Step 1: Write the proportion equation
829,449.14 : 1,144,566.81 = 461,898.51 : x - Step 2: Convert to fraction form
829,449.14/1,144,566.81 = 461,898.51/x - Step 3: Cross multiply
829,449.14x = 1,144,566.81 × 461,898.51 - Step 4: Simplify right side
829,449.14x = 528,673,696,102.13 - Step 5: Solve for x
x = 528,673,696,102.13/829,449.14 - Step 6: Final answer
x = 637,379.28
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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.