Finding the Fourth Proportional to 816,564.24, 1,126,859.04 and 472,447.08
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Solution
The fourth proportional to 816,564.24, 1,126,859.04 and 472,447.08 is: 651,977.20
Step by Step Solution
- Step 1: Write the proportion equation
816,564.24 : 1,126,859.04 = 472,447.08 : x - Step 2: Convert to fraction form
816,564.24/1,126,859.04 = 472,447.08/x - Step 3: Cross multiply
816,564.24x = 1,126,859.04 × 472,447.08 - Step 4: Simplify right side
816,564.24x = 532,381,263,019.60 - Step 5: Solve for x
x = 532,381,263,019.60/816,564.24 - Step 6: Final answer
x = 651,977.20
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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.