Finding the Fourth Proportional to 601,744.19, 830,416.07 and 329,809.91
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Solution
The fourth proportional to 601,744.19, 830,416.07 and 329,809.91 is: 455,142.66
Step by Step Solution
- Step 1: Write the proportion equation
601,744.19 : 830,416.07 = 329,809.91 : x - Step 2: Convert to fraction form
601,744.19/830,416.07 = 329,809.91/x - Step 3: Cross multiply
601,744.19x = 830,416.07 × 329,809.91 - Step 4: Simplify right side
601,744.19x = 273,879,449,309.25 - Step 5: Solve for x
x = 273,879,449,309.25/601,744.19 - Step 6: Final answer
x = 455,142.66
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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.