Finding the Fourth Proportional to 629,489.07, 868,695.03 and 343,009.08
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Solution
The fourth proportional to 629,489.07, 868,695.03 and 343,009.08 is: 473,352.59
Step by Step Solution
- Step 1: Write the proportion equation
629,489.07 : 868,695.03 = 343,009.08 : x - Step 2: Convert to fraction form
629,489.07/868,695.03 = 343,009.08/x - Step 3: Cross multiply
629,489.07x = 868,695.03 × 343,009.08 - Step 4: Simplify right side
629,489.07x = 297,970,283,040.87 - Step 5: Solve for x
x = 297,970,283,040.87/629,489.07 - Step 6: Final answer
x = 473,352.59
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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.